Sometimes called mechanical weathering, physical weathering is the process that breaks rocks apart without changing their chemical composition. These examples illustrate physical weathering:
Swiftly moving water
For #1, the answer is A) Ribosomes.
you'll be getting less oxygen to the rest fo the body, this can cause shortness of breath, swelling in your legs, fluid build up and even kidney and liver damage
hope this helps!!
In most ecosystems, the original source of energy for the living things in the system is the sun.
