Biology, 21.09.2019 01:00, jbdelarosa
How has deforestation in haiti altered the climate?
a. the loss of trees resulted in less water vapor in the atmosphere and thus less rain.
b. deforestation has resulted in widespread extinction of plants.
c. without trees’ root systems to hold it in place, rains have washed away the topsoil.
d. deforestation has not altered haiti’s climate.
Answers: 1
Biology, 22.06.2019 07:50, Amholloway13
Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers
Answers: 3
Biology, 22.06.2019 11:30, yarrito20011307
Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.
Answers: 1
Biology, 22.06.2019 14:00, treavonknorton
Vinegar has a ph of 3, and household ammonia has a ph of 11. is the concentration of h+ greatest in the vinegar or ammonia?
Answers: 1
How has deforestation in haiti altered the climate?
a. the loss of trees resulted in less wa...
a. the loss of trees resulted in less wa...
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