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Answer:
This picture is modeling how animals get nutrients and how it looks. If you look in the photo, you can see many animals and arrows pointing at one another, This shows animals fighting each other. An example would be the girafee, If you look closley the photo is showing the girafee getting nutrients from the tree. This shows the girafee getting the organisms it needs in order to survive.
Answer:
The independent variable is amounts of distilled water.
Explanation:
The dependent variable of this experiment is the height of each plant which is dependent on the amounts of distilled water added to each pot. Notice that days and amount of soil are constants. Therefore, the independent variable in this case is the amount of water added to each pot.
Answer:
B) meteorite sample
Explanation:
The age of the solar system, derived from the study of meteorites (thought to be the oldest accessible material around) is near 5 billion years; that of the Earth is taken as 4.6 billion years. The oldest rocks on Earth are dated as 3.8 billion years.
Bacteria are involved in oxygen and food production, environment recycling and cleanup, and in health maintenance and medicine production.
