which best describes why American Indian groups were vulnerable to European diseases?

They lacked the necessary vaccinations

They were unfamiliar with all diseases

They failed to take preventative measures

They lacked immunity to these diseases

Answers

Answer 1
they lacked immunity to these diseases.
before the europeans, the american indians hadn’t come in contact with these diseases that were part of a different area of the world. as a result, many american indians died.
Answer 2
D they lacked immunity

Related Questions

Please help meeee !!!! Thank you

Answers

Answer:

4

Explanation:

plsssssssssssss help asap
Iguazu Falls, the largest waterfall system in the world, is shown below.


Which type of weathering occurs as water falls down Iguazu Falls?



A.

Breaking apart by plants and animals


B.

Cracks from temperature changes


C.

Abrasion


D.

Ice wedging

Answers

Answer:

The type of weathering that occurs is abrasion.

Explanation:

Iguazu Falls are one of the highest waterfalls in the world and the biggest waterfall system in the world. The amount of water that falls down these waterfalls is enormous, and that combined with the height gives the water a lot of power. The water is carrying huge amounts of pebbles, rocks, the debris of all sorts and sizes, and they combined with the water manage to erode the bedrock.

As the water carries all of the material with it, it scratches the surface of the bedrock, and as it does it gradually makes the surface of the bedrock smooth. At the waterfalls themselves, the power with which the water and the material it carries are much bigger so they manage to create a very deep caldron-like hole in the bedrock below the waterfall, and plus smoothens its surface.

If it is 2pm at 30E what time is it at 40E​

Answers

Answer:

Eastern Standard Time (EST), when observing standard time (autumn/winter), are five hours behind Coordinated Universal Time (UTC−05:00). Eastern Daylight Time (EDT), when observing daylight saving time (spring/summer), are four hours behind Coordinated Universal Time (UTC−04:00).

Explanation:

:)

Which type of plate boundaries generate the most volcanoes? Why?

Answers

Answer:

constructive plate boundaries cause volcanoes.

Explanation:

Which name it accurately describes the outer planets

Answers

Answer:

Jovian planets

Explanation:

Analyze the graphs below and answer the question that follows.

Which of the above graphs accurately represents the continents refugees to the United States came from?
A.
One (1)
B.
Two (2)
C.
Three (3)
D.
Four (4)

Please select the best answer from the choices provided.

A
B
C
D

Answers

Answer:

D

Explanation:

TRUSTT MEEE have a good day :)

Answer:

D

Explanation:

which processes produced heat that contributed to the formation of earth's different layers check all that apply​

Answers

You didn’t provide the answer options.

Answer:

collision of materials, compaction of materials and radioactive decay

Explanation:

Hope this helped!!!

Why are myths useful for historians and archaeologists to understand?

Answers

Answer:

They help them understand the beliefs and in so the actions of the people they are researching.

Explanation:

Hope this helps

what king of plate boundaries create volcanes??? ​

Answers

Answer:

Convergent and Divergent most commonly

Explanation:

Convergent boundaries create sub duction zone where pressure and heat can escape. Divergent boundaries spread apart from one another, this creates space for heat and pressure to escape.

Need helppp pls. I'm pretty sure its a or b but idk what it is between the two. pls help

Which of the following statements about scientists' views of global warming is true?

A. Nearly all scientists agree that the Earth's temperature is rising, but many disagree about whether humans are responsible, while a small percentage agree that humans are responsible.

B. Nearly all scientists agree that the Earth's temperature is rising and that humans are responsible, while a small percentage do not agree that humans are responsible.

C. Nearly all scientists agree that the Earth's temperature is rising, but most agree that humans are not responsible.

D. There is no consensus among scientists on this issue; they disagree over whether the Earth's temperature is rising.

Answers

Answer:

I believe the answer is A

Help plssssssssssss I’m stuck

Answers

Answer:

I believe its B

Explanation:

Which characteristic best supports its formation from sedimentary processes? It has many layers. It is coarse-grained. Its grain shape is round. Its texture is non-banded.

Answers

Answer:

C

Explanation:

Answer:

A, it has many layers

Explanation:

Cause cool yeah \(◕ヮ◕)/

Negative impact of overhunting & over fishing?

Answers

Overhunting and overfishing can cause animal populations to grow endangered or become extinct.

Answer:

The negative impact on overhunting and overfishing is the disrupt in the food chain. There is a disrupt in the food chain because other species like humans or bears consume these animals for nutrients.

Can someone please answer these !!
1. How many plant and animal species exist in the Amazon Rain forest?

2. How much (percentage wise) of the worlds oxygen is created by the Amazon Rain Forest?

* I need them in your own words , please not from google or any websites*
* if u do not know please do not answer*

Thank you -

Answers

Answer:

from what I've read up on at least 40,000 I'm really sorry if I'm wrong I'm

Explanation:

tbh I'm look at the same type of problems

there are greater opportunities for trade in the__than in the__.

A. steppes; major rivers

B. pacific rim; steppes

C. major rivers; pacific rim

D. himalayas: pacific rim

Answers

Answer:

There are greater opportunities for trade in the pacific rim than in the steppes.

Explanation:

Trade is something that has been used by humankind for thousands of years. The reason is simple - it is the basis of any economic type, be it primitive, command, market, etc... Basically, through trade, the individuals, groups, countries, regions, get the goods they need in exchange for the goods they have to offer and are needed on the other side.

Not all places on Earth provide the same opportunities for trade though, and in most cases the reason for it is geography. The Pacific Rim, for example, is a huge region and there are countries on all levels of development. It is a region where infrastructure doesn't have much influence because trade goes through water, and even though it is a huge distance in question from one side to another, trade is very easy. On the other hand, we have the steppes. These areas are sparsely populated, are usually low on resources, the climate is harsh, which in turn makes the countries dominated by them are less developed, and that in turn means infrastructure in bad condition or fully lacking in most of the territory. Such conditions result in bad conditions for trade as the opportunities are much lower than in other regions.

why could it be a disaster for an ecosystem if deers eats lions

Answers

it's a disaster

Explanation:

because lions keep the deer population under control and if there are slot of deers then the deeper population would be over crowded and since there are many deers they would have to eat more so most of the grass would be gone and other animals wouldn't have a chance to eat

Answer:

Becasue without lions, the herbivores(plant eaters) will overpopulate. Lions reputation of being the 'chief' predator of their habitat as they are known to even kill/eat herbivores such as elephants and giraffes, which are herbivores. The herbivores will eat a lot of the plants and soon there will be no more plants for the herbivores now because the deer ate the lions. The lions subdue that bye eating deer. That is why deer eating lions would be bad for the ecosystem. If you like my answer please give brainliest. If not, then oh well.

Explanation:

Which of these descriptions best describes el nino

Answers

Answer:

what descriptions?

Answer:

There are no descriptions.

Explanation:

location in a planet orbit closest to the sun ?​

Answers

Answer:

perihelion

Explanation:

Yoo, its perigee. The farthest point is the apogee. For planets, the point in their orbit closest to the sun is perihelion.

Answer:

Perihelion is the location in a planet's orbit that is closest to the Sun.

Explanation:

The Sun is the central and only star in the Solar System. It has by far the biggest gravitational pull of any pace body in it so naturally, all planets orbit around it. The orbits of the planets though are not a perfect circle, instead, they are ellipses, with one part of their orbit being closer to the Sun while the other part being further away from the Sun.

The location of a planet's orbit that is the closest to the Sun is called perihelion. Basically, because the planet is the closest to the Sun at this point, it experiences the most of its gravitational pull. This results in the speeding up of the planet, thus it is also the part of the orbit when the planet moves the fastest. The opposite part of the orbit, when the planet is the furthest away from the Sun is called aphelion, and this is when the planet experiences the least of the Sun's gravitational pull and is the slowest.

What economic issues should be considered during conservation?

Select all that apply.

Do hybrids impact homeowners?
Does the protection of a species affect hunting?
What money should be spent protecting endangered species?
Are hybrid organisms an affordable strategy?

Answers

Answer:

Hybridization may drive rare taxa to extinction through genetic swamping, where the rare form is replaced by hybrids, or by demographic swamping, where population growth rates are reduced due to the wasteful production of maladaptive hybrids. Conversely, hybridization may rescue the viability of small, inbred populations. Understanding the factors that contribute to destructive versus constructive outcomes of hybridization is key to managing conservation concerns. Here, we survey the literature for studies of hybridization and extinction to identify the ecological, evolutionary, and genetic factors that critically affect extinction risk through hybridization. We find that while extinction risk is highly situation dependent, genetic swamping is much more frequent than demographic swamping. In addition, human involvement is associated with increased risk and high reproductive isolation with reduced risk. Although climate change is predicted to increase the risk of hybridization‐induced extinction, we find little empirical support for this prediction. Similarly, theoretical and experimental studies imply that genetic rescue through hybridization may be equally or more probable than demographic swamping, but our literature survey failed to support this claim. We conclude that halting the introduction of hybridization‐prone exotics and restoring mature and diverse habitats that are resistant to hybrid establishment should be management priorities.

Explanation:

PLEASE HELP,, MARKING BRAINLIEST!!

In (2020) the US Census conducted a population count in our country. The US has just over 330 million people living here. The world population is now around 7.7 billion.

Do you think that the world will ever become over-populated at any time in the future...Are we overpopulated now? What are some issues/problems that we might face in being overpopulated?

Answers

Answer:

I think it is fully possible for us to be overpopulated in the future, but i do not think we are overpopulated now. Overpopulation is when there are too many people for limited resources and space. The US is pretty big, and I don't think we will become overpopulated soon. Issues with being overpopulated is lack of space and resources, that will end up depleting America's resources and resulting in massive amounts of death if we go over the carrying capacity of our environment.

Which of the following is not a common map element? a. Key b. Distance scale c. Contour lines D. Directional indicator

Answers

Answer:

D. Directional indicators

Explanation:

Maps usually have all of these elements. But they don't have directional indicators. Directional indicators are usually for digital maps. If a traditional map has directional indicators it is only which landmarks point North, South, East, or West.

I hope this helps :)

What is the only sea without any coasts? Explain

Answers

Answer:

the only sea without any coasts is the Sargasso Sea. Why? Because a species of seaweed that covers the environment's water, the Sargasso Sea is the only sea without coasts or shores. It is also interpreted by FOUR ocean currents.

Explanation

Answer:

The Sargasso Sea Located entirely within the Atlantic Ocean is the only sea without a land boundary. Mats of free floating sargassum a common sea weed found in the Sargasso Sea, provide shelter and habitat to many animals.

True or False? Please tell. This is kinda hard 4 me.

Answers

Answer: False :)

Explanation:

discuss the importance of sustainable development in a developing country

Answers

Answer: A sustainable development will continue to grow and help the country continue to grow and develop over the years

Explanation:

Which waterway is the largest in the world?

Answers

Answer:

The Nile River

Explanation:

Hope this helps

According to the map above, which shows religious-cultural regions, what two religions are most commonly practiced in Africa?

A. Christianity and Buddhism
B. Buddhism and Hinduism
C. Islam and Christianity
D. Hinduism and Islam

Answers

Answer:

D. Hinduism and Islam

Explanation:

A farmer who has grown corn for the past five years notices in the sixth year that his harvest is significantly smaller, despite an increase in labor on the farm. The following year, the harvest continues its decline. Which of the following explanations most plausibly accounts for the reduction in corn yield? A. soil degradation B. desalinization C. better irrigation D. terracing Reset Next

Answers

I would say A. soil degradation

Answer:

A.

Explanation:

Growing a different crop (crop rotation) will prevent the soil from degrading, which is what happened to the farmer.

Give an example of how mammals were able to differentiate in the Cenozoic Era.

Answers

Answer:

During the Cenozoic Era, Australia separated, and marsupials evolved. ... For most of the Mesozoic Era, gymnosperms were the dominant plant form. Angiosperms began to appear during the Cretaceous Period.

Explanation:

During the Cenozoic Era, Australia isolated, and marsupials advanced. For the majority of the Mesozoic Era, gymnosperms were the prevailing plant structure.

What is Cenozoic Era?

The Cenozoic is Earth's ongoing land era, addressing the last 66 million years of Earth's set of experiences.

It is described by the strength of warm blooded creatures, birds and blossoming plants, a cooling and drying environment, and the ongoing design of mainland.

It is the most recent of three land eras since complex life advanced, went before by the Mesozoic and Paleozoic. It began with the Cretaceous-Paleogene eradication occasion, when numerous species, including the non-avian dinosaurs, became wiped out in an occasion credited by most specialists to the effect of an enormous space rock or other divine body.

The Cenozoic is otherwise called the Time of Well evolved creatures on the grounds that the earthbound creatures that overwhelmed the two halves of the globe were warm blooded animals.

Therefore Current placental warm blooded animals started during this time.

Learn more about Cenozoic era here:

brainly.com/question/1367601

#SPJ2

Describe in detail what causes seafloor spreading. Use as many key terms as possible.

(Key terms: plate tectonics, plate boundaries, convergent boundary, transform boundary, divergent boundary, convection, mantle, magma, oceanic crust, continental crust, density, inner core, outer core.)

Answers

Answer:

Seafloor spreading results from intense activity in the upper mantle which cracks the crust and pushes it away.

Explanation:

Seafloor spreading is a process that was first noticed by Alfred Wegener and was used by him in his theory of plate tectonics. There are three types of plate boundaries; convergent boundary, transform boundary, and divergent boundary. The last one is the one where seafloor spreading occurs.

The convection currents in the mantle are the process that breaks up the crust and move the tectonic plates, and when there is higher activity than usual at some place it results in break up the crust of an already existing tectonic plate.  Basically, magma rises at a higher rate and pushes through the crust, in this case, the oceanic crust, and it manages to gradually break through it and come out on the seafloor. By doing so, the magma and the pressure from below are pushing the two now divided parts of the plate. As the space between the two different parts becomes larger and large the density of the crust becomes smaller and smaller so more and more magma rises through. The magma quickly solidifies on the ocean floor and piles up, thus creating an underwater mountain range known as a mid-ocean ridge.


Que
Which option describes how heat and the mobement of Earth's tectonic plates contribute to the formation of an ocean basin?

Heat from the mantle conducts through tectonic plates causing them to melt to form ocean basins.

Heat from the mantle forms convection currents causing the plates to transform and form the ocean basins.

Heat from the mantle forms convection currents causing the tectonic plates to diverge and form ocean basins.

Heat from the mantle conducts through the tectonic plates causing the plates to converge and form ocean basins.

Answers

Answer:

Heat from the mantle forms convection currents causing the tectonic plates to diverge and form ocean basins.

Explanation:

Ocean basins form as a result of convection in the mantle along divergent margins.

At a divergent margin, new crusts are being formed. It is said to be a constructive margin because new materials reaches through to the earth surface from there. The mantle convection pushes materials up  and down away from heating centers and to cold regions and back and forth. This leads to the creation of cells which moves the overlying plate. The mantle materials are then able to reach the surface to form new ocean basin.
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In 2005, It was estimated that 2500 public schools and 57 colleges or universities in the U.S. had a Native American logo,mascot, or nickname.