The level of oxygen in the air is measured in a garden and on a city road. Which location has a higher level of oxygen and why?

When does development of human beings stop

What might explain why there is not a direct relationship between the size of an organism's genome and the number of genes it contains?

How did Dolly compare to sheep that were cloned with the same DNA?

Where did fish live?

Humans must depend on the environment for their survival

How does the presence of a mid ocean ridge most likely affect the nearby ocean currents? A lt speeds up surface currents B. it changes the course of surface currents C. It changes the course of deep ocean currents. D.

I need to know two structures that allow arthropods to breathe air?

Explain the similarity between aquifers and banks.

How is decaying organic matter important to the carbon cycle? 1. It produces fossil fuels that store energy 2. It fixes carbon from the atmosphere 3. It transfers usable carbon from plants to animals 4. It returns carbon to carbon dioxide gas

What happens to the tempeture as you travel from the surface of the earth to the center