what element was poisonous to the first forms of life on Earth until they evolved to take advantage of it by using cellular respiration.

Which idea did lsaac Newton s experiments with light support?
A. light is produced by the interaction of magnetic and electric fields.
B. light is a wave because it has properties that are similar to radio waves.
C. light is made of particles because it travels only in a straight path.
D. light is a wave because it bends around barriers.​

find the unit rate $122 in 8 hours

How does the level of salinity in ocean water affect marine life?

How can limited resources benefit the problem-solving capability in an organization?
A.
It encourages one to be resourceful.
B.
It is cost effective.
C.
It reduces the time taken to solve the problem.
D.
It makes one aggressive.
E.
It makes an employee more efficient

Reading questions
w
Which choice provides the best evidence for the answer to the
previous question?
ast
te tam
le.
A
lines 2-4 ("She stepped ... angle")
..
B
lines 8-12 ("I believe ... else")
lines 12-17 ("Irritated ... excitement")
egrees
which,
mark
2 the
ating
nothing
brity of
ew
ll upon us in
prer than wea
monds
RO
D
lines 20-21 ("She'd gone ... London")