Approximately how much energy is transferred from one step In a food chain to the next? A. 90%
B. 1%
C. .1%
D. 10%

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits

Pulmonary arteries carry highly oxygenated blood. true or false?

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?