Soil research has shown that soil profiles are influenced by five separate, yet interacting, factors: parent material, climate, topography, organisms, and time. Soil scientists call these the factors of soil formation
The invention that allowed scientists to study cells for the first time is the Microscope
I think to get more oxygen for the lungs. Hope this helped.
Answer:
A
Explanation:
I did this stuff last year and im 80% sure of it :D
1. True
2.True
3.convection