The answer is transport vesicles
Answer:
physical
Explanation:
science deals with physical things
A combination of two or more metals is called and Alloy.
Answer:
Nitrification.
Explanation:
It is a part of the Nitrogen Cycle. The bacterias can convert ammonia into nitrite and nitrate, these compounds are fundamentally important for all life. They are used for the creation of proteins and amino acids.
I hope this answer helps you.
The step that is an important part of the process by which ecology guides humans to a sustainable future is that behavior is changed after the cause of the problem is identified. The correct answer is D.
