Which of the following is an example of how seeds of plants can be spread to new areas by nonliving parts of an ecosystem?
a.
animals drop seeds while they eat fruits.
b.
animals collect seeds and bury them far away.
c.
the wind blows the seeds of a plant to new areas.
d.
seeds are carried in the fur of animals to new places.

Identify the main component f natural gas

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point