Cerise is a schoolteacher. she is teaching her students that chemicals dumped in the ocean have adverse consequences on humans. she explains how the chemicals travel through the trophic levels and magnify at each level ultimately reaching humans at dangerously high levels. which phenomenon is cerise teaching?
a.
food chain
b.
food web
c.
ecological pyramid
d.
bioaccumulation
e.
isolated ecological system

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

Astudent completed a lab report. which correctly describes the difference between the “question” and “hypothesis” sections of her report? “question” states what she is asking, and “hypothesis” states the result of her experiment. “question” states what she is asking, and “hypothesis” states what she thinks the answer to that question is in “if . . then . . because” format. “question” describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. “question” describes what she is trying to find out, and “hypothesis” states any additional information or prior knowledge about the question.