Biology, 20.07.2019 07:40 jpwalker8535
Which best describes the physical properties of the earth’s core? a) semi-molten b) water and organic substances c) a solid lower part and a liquid upper part d) contains volcanic, sedimentary and granitic rocks
Answers: 1
Biology, 21.06.2019 19:50
Which statements correspond to cellular respiration? co2 diffuses passively into the cell. co2 diffuses passively out of the cell. co2 must be pumped out of the cell. o2 diffuses passively when produced inside the cell. o2 diffuses passively when converted to co2. o2 is pumped in and forces co2 out.
Answers: 3
Biology, 21.06.2019 20:00
Johannesburg kepler, an apprentice of brahe, believed in the heliocentric universe but rejected past astronomers belief in
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Biology, 22.06.2019 00:20
1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.
Answers: 1
Biology, 22.06.2019 00:40
There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule
Answers: 1
Which best describes the physical properties of the earth’s core? a) semi-molten b) water and orga...
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