Deaths and MV rates, 1913-2017 60,000
40
45,000
30
Number of deaths
5 30,000
20
Man
Death
rate
15,000
10
0
0
1925
1950
1975
2000
Number of deaths
Rate Per 10,000 motor vehicles
Rate Per 100,000,000 vehicle miles
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1. What do the red, green, and blue lines in the graph show?

Examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. examine the two squirrel populations in the accompanying figure. the populations are separated by a geographic barrier. if after a long period of time the two species are no longer separated, what evidence is needed to determine if speciation has occurred? the figure shows two populations of squirrels separated by a geographic barrier. polyploidy is creating new species. the two populations are not interbreeding freely. hybrid offspring of the two populations begin to appear. one species will increase into a population size twice as large as the other species.

Identify characteristics of energy from the sun. check all that apply. almost all of the energy on earth comes from the sun. energy from the sun is known as mechanical energy. the energy in fossil fuels originally came from the sun. plants convert the energy of sunlight into chemical energy.

About how much of the cell mass is watet