The first trial of a controlled experiment allows a scientist to isolate and test ..?

Answers

Answer 1

Answer:

a single variable.

Explanation:

It allows the scientist to see how they should manipulate the independent variable in the experiment.


Related Questions

Find the value of x.
67°
x + 54
68
X =

Answers

It’s 13 because if you add 13 to 54 it gives you 68

the silk road crossed which treacherous desert?

Answers

Answer:

The Gobi

Explanation:

Answer:

mongolia and china

Explanation:

the gobi desert is on mongolia and china

Primarily, what is the environment and climate of Central Africa? Southern, Northern, Western?

Answers

Answer:

southern

Explanation:

In two or more complete sentences, Describe the Valdivia Earthquake. In your description, include the following facts:

A. name of the earthquake;



B. full date of the earthquake; and



C. the location of the earthquake’s epicenter.

Answers

A. Valdivia earthquake


B. 22 May 1960

C. near Lumaco, approximately 570 kilometres (350 mi) south of Santiago,

Which practice is a component of Hinduism?

A.performing fire sacrifices

B.dancing at weddings

C.eating spicy food

D.wearing cotton clothes​

Answers

Answer:

I think it is performing of fire sacrifice

The answer is c because they believe it affects the body and mind

how many pyramids will you find at giza?

Answers

Answer:

3

Explanation:

All three were built during a frenetic period of construction from roughly, 2550 to 2490 B. C.

Why is it difficult in a country the size of Australia, with a population concentrated on the coast, to provide services in outback areas? How would providing services be different in a country such as Luxembourg in Europe?

Answers

The Australian Outback is desolate and deserted, and mostly populated by animals, making it hard to travel through the rough terrain and wildlife that make up the region. In Europe , the land is hilly and grassy, mostly populated by humans or atleast have settlements, water, and plants to grow. The Australian Outback does not have a lot of plants or grassy areas, meanwhile the Coast of Australia has plenty of water and grass because of the ocean surrounding them.

How can we produce Sodium Chloride salt in the laboratory ?Your answer

Answers

Answer:

Fill a flask with 0.8 liters of water, weigh out the amount of sodium chloride you need, add it to the water and shake until it dissolves. To make a 1M solution, add 58.44 grams of salt; to make a 0.1M solution, add 5.84 grams; to make a 2M solution, add 116.88 grams and so on

Explanation:

at a subduction zone where oceanic lithosphere meets continental lithosphere, which would subduct and why?

Answers

Answer:

Oceanic Lithosphere

Explanatation

Oceanic lithosphere is more dense (compacted by immense pressure from oceans) and the continental lithosphere is less dense (lack of pressure from anything above it).  When the two collide, the continental lithosphere will essentially float on top of subterranean magma while the oceanic lithosphere, being the denser of the two, will slip beneath the continental lithosphere and dive into the magma chamber.  

(-6, -3); y = - 5x+5

Answers

Answer: −9, y = −5 x + 5

many of oceania’s islands are on a volcanic hot spot known as what?

Answers

Answer:

Because of the many active volcanoes along the Pacific Plate's boundaries, the surrounding shorelines are often called the Ring of Fire.

Many of Oceania’s islands are on a volcanic hot spot known as the Ring of Fire.

What is the Ring of Fire?

The Ring of Fire is a region on the Pacific Ocean's rim where many volcanic eruptions and earthquakes occur. The Ring of Fire is a 40,000 km long and up to 500 km wide horseshoe-shaped belt. On the oceanic side, the belt is framed by a series of deep ocean troughs, and continental landmasses lie behind.

The Ring of Fire encompasses the Pacific coasts of South America and North America, Russia's Kamchatka Peninsula, and some western Pacific Ocean islands. The surrounding shorelines are known as the Ring of Fire because of the numerous active volcanoes along the Pacific Plate's boundaries.

Therefore, the volcanic hot spot is known as the Ring of the Fire.

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The demographic transition is a general model that seeks to explain
A
the relationship between the size of age cohorts and natural population change
B
how variations in population size and food supply can lead to periods of crisis
C
the effects of changes in population size on the gross domestic product
D
variations in population size, population migration rates, and the rate of natural increase
E
how differences in birth and death rates result in natural population change

Answers

Answer:

D- variations in population size population migration rates and the rate of natural increase

Explanation:

The general model that seeks to explain is option(d) How differences in birth and death rates result in natural population change.

What is demographic Transition model?Demographic transition is a term used in demography to describe the historical shift from high birth rates and high death rates in societies with limited technology, education (especially for women), and economic development, as well as the stages in between. Despite the fact that this change has occurred in many industrialized countries, the theory and model are frequently inaccurate when applied to individual countries due to specific social, political, and economic circumstances affecting specific populations.

What are the five stages of Demographic Transition- FIRST STAGE (High stationary)-It is characterized by both A high birth rate and a high death rate.SECOND STAGE (Early expanding)-It begins with the Declining of death rate while Birth rate still remains high.THIRD STAGE (Late expanding)-Death rate declines further and Birth rate now begins to fall.FOURTH STAGE (Low stationary) This stage is characterized with Low birth rate and Low death rate.FIFTH STAGE: (Declining)-Birth rate is now lower than death rate Hence the population begins to decline.

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Find the missing length.Leave your answer as radicals in simplest form

Answers

Answer:

a =4; b = 2√2

Explanation:

When the sediment turns into a rock, the decay is turned into gas and petroleum after a

a. million years
b. century
c. millennium
d. decade

Answers

When the sediment turns into a rock, the decay becomes gas and petroleum after a million years.

This is evident because when sediments turn into rock, there will still be some remnants of plants and other organisms underneath in a seafloor area.

These organisms will then be subjected to extreme heat and temperature, thereby turning them into fossil fuels.

These fossil fuels are what are explored and turn into natural gas and crude oil/petroleum.

The process of transforming the sediments into fossil fuels usually takes million years.

Hence, in this case, it is concluded that the correct answer is option A. "Million years."

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Select all the correct answers. Which two topics are studied by geographers? the distribution of humans around the world the principles for solving border disputes life cycles of plants and animals features such as mountains, volcanoes, rivers, and glaciers

Answers

Answer:

the distribution of humans around the world

features such as mountains, volcanoes, rivers, and glaciers

Explanation:

The two topics studied by geographers are the distribution of humans around the world and features such as mountains, volcanoes, rivers, and glaciers. Option a and d is the correct answer.

Geographers study how humans are distributed across different regions, countries, and continents. They examine factors such as population density, migration patterns, urbanization, and cultural variations. By analyzing the distribution of humans, geographers gain insights into social, economic, and environmental interactions on a global scale. Option a and d is the correct answer.

Geographers also study the physical features of the Earth's surface. They analyze and map various landforms, including mountains, volcanoes, rivers, glaciers, and other natural features. Understanding the distribution, formation, and characteristics of these features helps geographers understand the Earth's physical processes, such as plate tectonics, erosion, and climate patterns.

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The complete question is, "Select all the correct answers. Which two topics are studied by geographers?

a. the distribution of humans around the world

b. the principles for solving border disputes

c. life cycles of plants and animals

d. features such as mountains, volcanoes, rivers, and glaciers"

Where could sandstone be found in ancient Egypt?

near the Red Sea
in the Eastern Desert
in the Western Desert
near the Mediterranean Sea

Answers

Near the Mediterranean Sea

Explain ways in
which GPS and GIS are more useful than a topographic map.

Answers

Both GPS and GIS are useful in managing land in the high country. Global Positioning Systems or GPS are used to find the exact location of things. Geographic Information Systems or GIS are used to record information on to maps. Both GPS and GIS are useful in managing land in the high country.

Find M<5, The diagram is not to scale.

Answers

Answer:

G=48° (vert opp angles)

Explanation:

Hope it helps!!!

A. Look at pictures below. What are the importance and benefits of planting trees and fruit-bearing trees?
1.
2.
3.
4.
5.
(What’s In)

Answers

Answer:

- reduced heating costs

- reduce the severity of floods

- reduced stress and improved health

- give off oxygen that we need to breathe

i just can give 4 answers only

Cells from different parts of an organism have varying

Answers

Answer:

Cells from different parts of an organism have varying functions.

Explanation:

Because cells are specialized. This means that they have specific functions to do.

What is the difference between weathering and erosion
I need a short answer asap

Answers

Answer:

Erosion is when it's being broken down and carried to a new place. This is how deltas and sand bars are formed. Weathering is when it's only being broken down.

Erosion and weathering are pretty much the same except for the fact that erosion breaks down and carries the product while weathering just breaks it down:)

what is meant by groundwater. is the water level falling? if yes then why?​

Answers

Answer:

No,

Explanation:

It is rising due to global warming and iceburgs melting

Pls answer soon:
Many more people live in the eastern side of China than in the western part of China. How might this be due to the climate?

Answers

Answer:

It might be because of the heat in the west, studys show that everytime you go west, ITS HOT

Explanation:

(oo and your hot) No I am not (Ya you a-) NO I AM NOT :(

Timelines allow time to be shown in a picture. t or f

Answers

F I think is the correct

Answer: true

Explanation:

micronesia and polynesia are dominated by what type of islands

Answers

Answer:

Micronesia and polynesia are dominated by low islands

Explanation:

Micronesia and Polynesia are dominated by low islands. Correct answer is low island.

What do you mean by Island?

A body of land surrounded by water. is known as island.

Low islands predominate in Micronesia and Polynesia's island areas. For instance, the Marshall Islands' Kwajalein Atoll, which has 97 islands and islets and covers 2,173 square kilometers, is home to one of the world's largest lagoons (839 square miles).

It consists of several islands that are not a part of any archipelago, as well as the four main archipelagos of the Caroline Islands, Gilbert Islands, Mariana Islands, and Marshall Islands. In Micronesia, political authority is divided among six independent countries and varies depending on the island.

Therefore, Micronesia and Polynesia are dominated by low islands.

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Which of the following is a result of a population reaching carrying capacity?

Answers

Answer:

the answer to your question is A

in what layer of the atmosphere do most clouds form?

Answers

Answer:

Troposphere

Explanation:

Or contains about 75% of all the air in the atmosphere

Trong phép chiếu phương vị đứng mặt chiếu tiếp xúc với địa cầu ở vị trí:

A. Cực.

B. Vòng cực.

C. Chí tuyến.

D. Xích đạo.

Answers

can you ask in english please, i don't understand

la población envejecida puede causarle problemas a un país por qué​

Answers

English-

A rapidly aging population means there are fewer working-age people in the economy. The aging population can also mess with Healthcare and economic growth.

Spanish-

Una población que envejece rápidamente significa que hay menos personas en edad de trabajar en la economía. El envejecimiento de la población también puede afectar el crecimiento económico y de la asistencia sanitaria.

Answer:

Requiere de una gran cantidad de recursos económicos para mantenerlosHay menos cantidad de mano de obra disponible.Menor productividad.

Explanation:

(AP) GAWAIN 2 Open Letter PANUTO : Nabatid mo na ang epekto ng paglaki ng populasyon ay may malaking epekto sa pagkaubos ng likas na yaman, pagkasira ng pisikal na katangian ng ating daigdig at pagkakaroon ng mga suliraning pangkapaligiran sa Asya at sa malaking parte ng ating daigdig. Ngayon naman ay gumawa ka ng isang open letter o bukas na liham para sa iyong kapuwa kabataan at mga magulang na naglalaman ng panghihikayat sa kanila upang makatulong na mabawasan ang mga suliraning kinakaharap natin sa kasalukuyan. Pamantayan sa Paggawa ng Open Letter o Bukas na Liham​

ACTIVITY 2 Open Letter INSTRUCTIONS: You have realized that the impact of population growth has a huge impact on the depletion of natural resources, the deterioration of the physical nature of our earth and existence.

Answers

Answer:

OPEN LETTER KUNG PANO KAYO MAKAKATULONG O PANO MO MAKUKUMBINSI PARA UMAYOS ANG LIKAS NA YAMAN NG ATING BANSA.

Explanation:

BALE KAYO ANG MAG IISIP

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