George and Zac were working on their research project for the local science fair. They had four plants which received the same amount of sunlight per day. Two of the plants were given water every other day until the soil was moist. The other two plants were given water only twice during the entire growing period. Which statement explains why the two plants that were watered only twice died?

Answers

Answer 1

Answer: The right answer for the question that is being asked and shown above is that: "They didn't get enough water to survive." The statement that explains why the two plants that were watered only twice die is that They didn't get enough water to survive.

Answer 2

Answer:

D) Without sufficient water, the plants would be unable to produce glucose and they would die.

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Leaves curving towards sunlight are examples of _____. phototrophism
geotrophism
thigmotrophism
hydrotrophism

Answers

The correct answer is phototrophism.

Phototrophism is said to be the growth of a plant toward a source of light.

It is response to the stimulus of light and is seen when a plant bends towards the direction that light is coming from. Response by plants to a stimulus is called tropism. The word or prefix "photo" means or refers to light. Therefore phototropism simply means response to light.

Phototropism can be especially evident in the jungle where the jungle floor gets very little light. If a tall tree falls to the ground, it leaves a gap in the canopy through which sunlight streams to the ground. Many jungle plants growing on the ground will bend towards the gap and rapidly grow towards the source of light.

Answer: PHOTOTROPISM

Explanation:

What is the purpose of the scientific method

Answers

The purpose of the scientific method is to clearly do an experiment by a process of steps helping you keep track, and correct any mistakes.

The basic steps are: 1. Problem, Purpose, or Research Question: The problem or research question is the single most important part of thescientific method. Every part of your project is done to answer this question.

Which of the following statements accurately describes the process of dating Earth's history?a. Scientists use radiometric dating to determine the relative age of a new fossil.
b. Scientists use relative dating to determine the absolute age of a new fossil.
c. Scientists use radioactive isotopes to determine the absolute age of a new fossil.
d. Scientists use index fossils to determine the specific years of age of a new fossil.

Answers

a. Scientists use radiometric dating to determine the relative age of a new fossil.

Example:
Glossopteris fossils are the most reoccurring fossils in most land masses. In Alfred Wegener’s Continental drift theory which he claims that the continents of the earth may have relocated themselves from their former positions. Which when you synthesize the whole continents you’ll have the “all-earth” or so-called Pangea. The super continent as Wegener’s continental drift theory suggests. These Glossopteris is event in many places mainly in Africa, South America, Australia, India, and Antarctica. That in the paleontological perspective can assert his theory that these organisms have been roaming and surviving all over this one super continent and were dispersed in, that's why they can be found in many places as mentioned.

Explain why greenhouse gases are essential and yet a concern?

Answers

Answer:

Green house gases are the type of gases present in the air which have the ability to trap heat of the earth's surface. Gases like carbon dioxide and methane are found naturally and are known to play an important role in earth's climate. If they are not found the earth' s climate would be too cold creating problem for survival of life on the earth.

These green house gases absorb the emit the radiation in the thermal infrared range. These gases act like a blanket and save earth surface from infrared radiation by absorbing them and prevent them from escaping out of the earth surface.

But now a days due to increased in the concentration of green house gases like carbon dioxide and methane due to pollution and deforestation causing a great problem called as green house effect which lead to global warming and it a great concern for all the people now a days.

Greenhouse gases refer to the gases, which are crucial to maintaining a suitable temperature for life on Earth. Examples are methane, carbon dioxide, and nitrous oxide.

Why are greenhouse gases a concern?

Greenhouse gases such as water vapor, methane, fluorinated gases, and carbon dioxide trap the sunlight and raise the temperature of the Earth keeping it warm.

The gases are a concern for the environment and life on earth as in the absence of these gases, the Earth's climate will be extremely cold and chilly.

These gases act as a protective blanket, saving them from infrared rays and other harmful rays. Also, the increased emission of these gases is leading to global warming, which is one of the major threats to life on Earth.

Thus, greenhouse gases are essential but their increased emission is a major concern for the planet.

Learn more about greenhouse gases here:

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Glaciers that cover large sections of entire continents or other large land masses are classified as _____.

Answers

They are classified as continental glaciers

Ice sheets or Continental glaciers

15. Relate What natural selection process mighthave led to a smaller jaw with fewer teeth inhumans?

Answers

Natural selection is the process where the individuals with better traits survive ( in where they are ) while the individuals with less suited traits for that environment dies.

In your case, wouldn't the answer be something among the lines of "The humans with bigger jaws and more teeth found it difficult to eat or find enough food to satisfy their stomachs"? ( It makes sense. Usually, if the animal has bigger features, like mouth, and more teeth, they would need more food or nutrient to grow those bigger features. If one has bigger/more features, then that typically means they are bigger as well, which also means they need a bit more food. ^^ Yes, my logic is a bit weird, but it helps out. )

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