These cells all come from the same animal. why do they have different shapes?

Determine the mass of fuel required for the expected energy consumption in the united states for the next ten years. energy use per person per year in the united states = 3.5 x 1011joules base calculations on current population of 310,000,000.

The first element on the periodic table of elements is carbon. a. true b. false

Agas can holds 2.0 gal of gasoline. what is this quantity in cubic centimeters?