Clear cutting tropical rainforest can lead to devastating environmental problems. Which of the following will NOT be negatively affected by the destruction of the rain forest?

Farmland

Medicines for treating cancer and other diseases

Atmosphere oxygen levels

Species diversity

Compare the depth of field when focusing with low power and high power. which power has the greater depth of field?

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.