Which is one factor that adds to the greenhouse effect? a decrease in the amount of dust in the atmosphere
a decrease in the amount of water on Earth's surface
an increase in gases in the atmosphere that absorb heat
an increase in the amount of solar radiation that reflects into space
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Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

Jose and eric were given four samples in lab. the results of their analysis are shown in the table. based on the data they collected, which sample is most likely a metal?

What is the oxidation state of each individual carbon atom in c2o42−?