Answer:
Physical digestion prepares the food for chemical digestion.
Great question! Let me first talk about how sedimentary rocks are formed. Sedimentary rocks are formed when when existing rocks are broken down in sediment. Now, let me explain what they are. Sedimentary rocks are rocks that have been weathered into rock fragments or pieces.
Answer:
D
Explanation:
Plants take their nitrogen from the soil which would have been converted by bacteria ...not straight from the atmosphere
The answer is A
Explanation: don’t mind the volume, look at the surface area-to-volume ratios because they affect the efficiently of a cell to obtain nutrients and eliminate waste.
Hope that helps! :)
Answer:
it is the thymus
Explanation:
this is where the t cells and b cells are made