Answer:
33%
Explanation:
ඞ
Explain Newton’s 1st Law of Motion and give an example.
1. Explain Newton’s 2nd Law of Motion and give an example.
2. Explain Newton’s 3rd Law of Motion and give an example.
3. Explain Newton’s 3rd Law of Motion and give an example.
A paramecium is a unicellular organism that lives in pond water. It has a cell structure known as a contractile vacuole that uses energy to pump out water so that the paramecium does not burst. What does this demonstrate?
A.) osmosis
B.) diffusion
C.) homeostasis
D.) cellular respiration
When did people begin to notice that coastlines of continents fit together like puzzle pieces?
when satellites began taking pictures of Earth from space
when Alfred Wegener proposed the idea of continental drift
when early explorers traveled from Europe and Asia to the Americas
when geologists first started examining the fossil record of South America
Answer:
The 1500s
Explanation:
the1500s
As early as the1500s map makers were beginning to notice that the individual continents fit together like pieces of a jigsaw puzzle. It wasn't until 1912 that Alfred Wegener first proposed an acceptable hypothesis (continental drift) as an explanation
How many Oxygen atoms are present in this chemical equation: 2CO2
Answer:
There are Four Oxygen atoms
Explanation:
How does the chain go
Answer:
1. Mosquito larvae is eaten by minnows
2. Minnows eat some algae and mosquito larvae
3. Trout eat algae and minnows
4. Herons eat the trout
So, these are the animals in order.
1. Mosquito larvae
2. Minnows
3. Algae
4. Trout
5. Heron
Hope this helps you!
What is NOT a way the body maintains homeostasis?
a
Developing a fever to kill off an infection.
b
Sweating to cool the body's temperature
c
Shivering to warm up the body
d
Eardrum vibrating to hear sound
Can yal helpppppppppppppppppppppppp
Answer:
The cricket
Explanation:
It gets energy from 3 different sources rather than the other 3 that get their energy from 1 or 2
Giving BRANLIEST!!!
Answer: c
Explanation:
They are different organisms.
Answer:
c
Explanation:
i think
What happened as the mass of the sun increased during the formation of the solar system?
Answer:
The Sun and the rest of the solar system formed from a giant, rotating cloud of gas and dust called a solar nebula about 4.5 billion years ago. Most of the material was pulled toward the center to form our Sun, which accounts for 99.8% of the mass of the entire solar system.
Explanation:
Hope this helps!! i am trying to be brainliest
The increase in gravitational pull, which caused the surrounding gas and dust to be pulled towards the center of the developing solar system.
What is the Solar system?As the mass of the sun increased during the formation of the solar system, several important changes occurred. One of the most significant changes was the increase in gravitational pull, which caused the surrounding gas and dust to be pulled towards the center of the developing solar system. As a result, the temperature and pressure at the center increased, eventually reaching a point where nuclear fusion began and the sun became a star.
The increase in mass also had an impact on the orbits of the planets. As the gravitational force of the sun increased, it caused the orbits of the planets to become more stable and circular, rather than elliptical or irregular. This stability allowed the planets to maintain their orbits over billions of years, contributing to the long-term stability of the solar system.
In addition, the increase in mass allowed the sun to retain more of the lighter elements, such as hydrogen and helium, which were abundant in the early solar system. This abundance of lighter elements contributed to the formation of the gas giant planets, such as Jupiter and Saturn, which have massive hydrogen and helium atmospheres.
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HELP PLEASE ASAP!!!! I don't understand this
Answer: D
Explanation: you got the one you click on right so no changes needed.
Which statements describe a human-created mass extinction? Select three correct choices.
It results from the disappearance of entire species in a short time.
It results from the disappearance of a few organisms in a short time.
It is caused by the growth of the human population.
It is a type of long-term change.
It is a type of short-term change.
It is caused by a decrease in the introduction of nonnative species.
Answer:
A,C,D
Explanation:
Answer:
A,C,D
Explanation:)hope this helps have a great day!
Braniliest would be appreciated
Please answer the ones u know and Answer them correctly because this is part of my grade :’)
Answer:
hmm hi mate where is the question but???
Answer:
Yea...ok...WHERE IS THE QUESTION?!?!?
Sorry if that seems a little harsh.
Osmosis is the movement of water from a high concentration to a low concentration.
True or False
Answer:
yes, it's absolutely true statement
. What provides most of the water for the water cycle?
This is the text PLEASE HAS TO BE TURNED IN IN 5 MIN
Answer:
The sun, which drives the water cycle, heats water in the oceans. Some of it evaporates as vapor into the air. Ice and snow can sublimate directly into water vapor.
Explanation:
Describe two things that would happen in an ecosystem if there were no unicellular organisms. Explain why something with only one cell can be considered to be an organism.
Unicellular organisms include bacteria, protists, and yeast. For example, a paramecium is a slipper-shaped, unicellular organism found in pond water. It takes in food from the water and digests it in organelles known as food vacuoles. Nutrients from the food travel through the cytoplasm to the surrounding organelles, helping to keep the cell, and thus the organism, functioning. Multicellular organisms are composed of more than one cell, with groups of cells differentiating to take on specialized functions. In humans, cells differentiate early in development to become nerve cells, skin cells, muscle cells, blood cells, and other types of cells. One can easily observe the differences in these cells under a microscope. Their structure is related to their function, meaning each type of cell takes on a particular form in order to best serve its purpose. Nerve cells have appendages called dendrites and axons that connect with other nerve cells to move muscles, send signals to glands, or register sensory stimuli. Outer skin cells form flattened stacks that protect the body from the environment. Muscle cells are slender fibers that bundle together for muscle contraction. The cells of multicellular organisms may also look different according to the organelles needed inside of the cell. For example, muscle cells have more mitochondria than most other cells so that they can readily produce energy for movement; cells of the pancreas need to produce many proteins and have more ribosomes and rough endoplasmic reticula to meet this demand. Although all cells have organelles in common, the number and types of organelles present reveal how the cell functions.
Hope that helps!!
If there were no unicellular organisms available in the ecosystem then there will be no atmospheric nitrogen fixation and no recycling of organic matter into plant usable products.
Unicellular organisms are small single celled organisms that can be observed through microscope but not with naked eye. The unicellular organisms are bacteria, fungi, virus, and protists. If no unicellular organisms are present in the ecosystem then there will be no nitrogen fixation by the soil bacteria like Nostoc, Cyanobacteria, and others. Since, plants cannot utilize atmospheric nitrogen directly so these bacteria convert the atmospheric nitrogen into plant usable form that is ammonia. When no soil bacteria present in the soil ecosystem then the plants will not be able to grow as ammonia is a chief ingredient of many biomolecules in plants. If there will be no unicellular organisms then there will not be any decomposition process of the organic matter and the waste of dead animals, plants, and other living beings will not recycle into plant usable form this will limit plant growth and will also affect the natural cleaning mechanism of ecosystem. Only one cell can be considered an organism if it shows characteristics of an organism like food intake, respiration, reproduction, and growth.Hence, if there were no unicellular organisms available in the ecosystem then there will be no atmospheric nitrogen fixation and no recycling of organic matter into plant usable products.
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can anybody help me, please
Answer:
food, producers, water, dioxide, oxygen, consumers, energy, predators, prey, lion, wildebeest.
Explanation:
these are in order
Answer:
food, producers, water, dioxide, oxygen, consumers, energy, predators, prey, lion, and wildebeest in that order
Explanation:
The table below shows the categories of four hurricanes at various locations across Florida.
Florida Hurricanes
Location Category
Florida Keys 5
Florida Panhandle 1
Cedar Keys 2
South Florida 4
Which location most likely suffered the greatest damage?
Cedar Keys
Florida Keys
Florida Panhandle
South Florida
Answer:
the Florida Keys
Explanation:
The answer is Florida keys because it has the highest category. If a hurricane has a high category (categories are rated from 1-5) a higher amount of damage is expected.
Answer:
florida keys cause 5 is bigger than 4 2 and 1
Explanation:
A chimpanzee and a pine tree have very little in common. However, because they are both living things, we can be certain that they both -use the sunlight to make their own food.travel with other members of their species.are made up of one or more cells.have a skeleton which allows them to move.
How is cold front formation different from stationary front formation?
a - Stationary fronts form between warm and cold air masses, while cold fronts form when a cold air mass advances against a warm air mass.
b - Cold fronts form between two air masses that barely move, while stationary fronts form when a warm air mass is trapped between two cold air masses.
c - Cold fronts form when a warm air mass moves over a cold air mass, while stationary air fronts form when a cold air mass moves over a warm air mass.
d - Stationary fronts form when a warm air mass is trapped between two cold air masses, while cold fronts form when a warm air mass moves over a cold air mass.
Stationary fronts form between warm and cold air masses, while
cold fronts form when a cold air mass advances against a warm
air mass.
What are Stationary fronts?These are the fronts which are formed when a cold front or
warm front stops moving. The formation is usually between the
warm and cold masses.
Cold front on the other hand are formed when cold air is more
advanced against the warm air mass.
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Answer:
A
Explanation:
Which of the following is NOT one of the major land biomes? a. tropical rain forest c. temperate grasslands b. temperate savanna d. temperate deciduous forest
Answer:
Temperate Savanna.
Explanation:
Savanna is not temperate, it is also called tropical grasslands, further supporting my answer. It is PART of the kinds of grasslands, So because it is a part, it is not a major Biome.
Temperate savanna is not the major land biomes.
What is Biomes?Some of the electrons in metallic atoms are held there quite loosely. As a result, they frequently lose electrons and generate cations. In contrast, most nonmetallic atoms have a stronger attraction to electrons than do metallic atoms, and as a result, they gain electrons to form anions.
As a result, when two atoms from a metallic and a nonmetallic element unite, the nonmetallic atoms usually tend to take one or more electrons from the metallic atoms and create ions.
One-third of the Earth is covered in forests, which are primarily made up of trees. A large portion of the terrestrial biodiversity of the planet, including insects, birds, and mammals, is found in forests.
Therefore, Temperate savanna is not the major land biomes.
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In Passage 1, how does the author represent the various points of view on the issue of advertisements on school buses?
A)by providing quotes from people on both sides of the issue
B)by describing the financial benefits for both sides of the issue
C)by sharing anecdotes from politicians on both sides of the issue
D)by elaborating on the benefits that would result from both sides of the issue
Passage 1: Excerpt from Will Yellow School Buses Soon Become Rolling Ads?
1 Tight school budgets could soon translate into Missouri school districts’ selling ad space on yellow school buses.
2 Missouri state Rep. T.J. Berry, R-Kearney, says his bill—HB 224—isn’t a cure-all by any stretch. But legalizing ads inside and outside the buses would give school districts one additional way to raise money in these tough times.
3 “Every single school district has had to deal with budget concerns,” Berry said last week. “And generally speaking, the way they have had to deal with those has been cuts or tax increases.”
4 The school bus is something that is already out there and paid for, he said. His bill would permit districts to generate a modest stream of income from their buses.
5 Few question the need for finding additional funds when it comes to educating children, but at least two groups think the school bus exteriors should remain ad-free.There is no such thing as free money,” said Josh Golin, associate director for the Campaign for a Commercial Free Childhood. “There are real costs to this: the price of selling out your students to advertisers.”
7 Students don’t need the first and last message they receive from their schools each day to be advertisements, Golin said. Students boarding a bus are certainly a captive audience.
8 The National Association of State Directors of Pupil Transportation Services opposes advertising on safety grounds. Obscuring the recognizable school-bus yellow exterior with ads and distracting other drivers “present a safety problem around school buses that cannot be ignored,” the group said in its position paper.
9 National studies have shown that anything that diverts a driver’s attention from the road can pose a hazard, opponents say.
10 “And a big yellow bus doesn’t distract?” Berry asked.
11 Several years ago in Indiana, a Department of Education lawyer suggested that allowing advertisements on buses would invite First Amendment challenges by spurned advertisers, the group noted.
When comparing a prokaryotic cell to a eukaryotic cell, an important difference is that the prokaryotic cell –is simple, performing limited functions.is relatively small in size and unorganized.has its genetic information stored in the nucleus.has no structures that allow it to store food.
Please help I got this wrong and I don't understand I need help
Answer:
If it´s not A then choose C
Explanation
If they were land animal and could not swim then the only logical reasoning would be that the two pieces of land drifted apart from each other and the fossils were in between them and that´s why they ended up in the ocean.
Answer: its c or b.
Explanation:try reading it again and it might be c or b
How will the tree population change if ALL other organisms (deer, bears, and mushrooms) are removed from the forest?
Answer:it wont have animals living in it
Explanation:
Can someone help me please i only have a few min-
Answer:
I think it c.
Explanation:
I am not for sure
Plants could not live if they were unable to get water and nutrients from soil. In some places, especially deserts, these resource are in short supply so plants must compete with each other for them. Which of the following is an actual strategy used by plants to keep competitors from being a problem?
A) Having very spiky parts above ground
B) Releasing ‘plant poisons’ (herbicides) from their roots into the soil
Answer:
A is your answer.
Explanation:
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An alien civilization has different names and symbols for six elements.
Answer: GOOGLE a periodic table to find the spots that are empty. Name those places and then label them.
Explanation:
I dunno if this is right but it’s my best bet.
ILL MARK BRANLIEST!! Green Algae, ferns, and pine trees are classified in the kingdom Plantae. These organisms share certain characteristics. Which of the following is a characteristic used to classify these organisms as plants. A. They produce flowers for pollination. B. They contain seeds for reproduction. C. They have an immune system. D. They engage in photosynthesis.
Answer:
It’s D
Explanation:
They engage Photosynthesis
why are butterflies important? What are they doing to help nature?
Answer: they pollinate and help flowers grow.
Which of the following would be a correct statement about an ecosystem?
My house is an ecosystem because I live in it.
California is an ecosystem because there are many types of climates, plants, and animals.
The forest is an ecosystem because the animals interact with the trees, which interact with the soil and water, which interacts with other animals.
A museum is an ecosystem because you interact with the exhibits.
Answer:
The forest is an ecosystem because the animals interact with the trees, which interact with the soil and water, which interacts with other animals.
Explanation:
this answer is the right one because it is the only one that is actually a ecosystem