Hi
1. Lithosphere
2. Hydrosphere
3.atmosphere
4. Biosphere
The lithosphere/geosphere is made of the earth's core, the mantle, crust, ocean floor,mountains, sand, etc.The hydrosphere is made of everything water such as oceans, rivers, lakes, rain, and snow.The atmosphere is made of gasses such as oxygen, and hydrogen.Finally the biosphere is all that has life such as plants, animals, people, insects, etc.
Answer:
A. test the composite drug in a trial run
Explanation:
Coronal according to quizlet
Answer:
Answer: The collection of all the genes and the various alternate or allelic forms of those genes within a population is called gene pool.