3. The diagram below shows a portion of a graduated cylinder.
40
mL
30
20
What is the volume of the liquid in this cylinder?
A) 22 mL
B) 24 mL
C) 25 mL
D) 26 mL
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The distant ancestors of tigers may have had bodies without stripes. use the theory of natural selection to explain how tigers may have evolved to have stripes.

Which type of transport is responsible for oxygen entering into blood cells? a. vesicle b.passive c. facilitated d.active b.passive

Which of the following is a reason why early living organisms on earth could not have survived on the surface? 1. the lack of an ozone layer 2. the lack of oxygen in the atmosphere 3. the fact that these organisms were single-celled