A school is planting a new drought-tolerant landscape. To determine which material will retain the most water, a science class carried out experiments
using different materials. How do we know the results are valid?

the results make sense

Explanation:

if the results weren't valid, it won't make sense

hope it helps

velocity and height

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.