The cycle of oxygen through the atmosphere is closely tied to? ?

1. A - animal release carbon dioxide into the air, and animals breathe it in.

2. A - ammonia would build up in the soil.

3. D - water cycle

4. B - over - fertilizing soil.

5. A - adding excessive carbon dioxide to the atmosphere through burning fossils fuels.

Explanation:

I am in 9th grade connections academy. So, ik the answers plus, i just did it and I got a 60% but just giving you the answer.

QuickCheck - Biology - Unit 4 Lesson 5

ans.

gregor john mendel is known for study of inheritance in pea plants. he used garden pea plant for his study, having alternative traits for various characters. he performed cross-breeding in pea plants to check how characters are transmitted between parents to offspring, such as cross between pure tall and pure dwarf plant. mendel studied the inheritance patterns in pea plants for various generations.

thus, the correct answer includes options and f).