The end of which era left many plants, insects, and salamander-like animals on the Earth? a.
the Precambrian time
c.
the Paleozoic era
b.
the Mesozoic era
d.
the Cenozoic era

Please select the best answer from the choices provided

A
B
C
D

What role do traits play in affecting an organisms ability to reproduce? finches

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

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only