A feather and a rock dropped at the same time from the same height would land at the same
time when dropped
a. by Galileo in Italy c. by an astronaut on the moon.
b. by Newton in England. d. None of the above

Which events are likely to be catastrophic to an ecosystem? select the three correct answers.a-hurricane.b-steady population growth.c-seasonal flooding.d-introducing of an aggressive invasive species.e-tsunami.

How does the carbon cycle involve an exchange of carbon

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous