The correct choice is v=d/t
I think it’s d sorry if I’m wrong
I believe an ecosystem is a collection of all of the abiotic and biotic factors in an entire region.
Answer:
The element name is : hydrogen
Atomic number : is 1
Number of Protons: is 1
Atomic Mass: 1.008
Number of Neutrons: 0
Number of Electrons is: 1
Explanation:
Topsoil (horizon A):Very rich in humus(dead organic matter like plants) and minerals.
Subsoil (horizon B):less rich in humus and minerals
Weathered Rock (horizon C):Little or no plant life due to it being all rock
Hope this helps :)