Which of the following best describes the solar radiation absorbed by and radiated from earth? a. most incoming solar energy is absorbed by the atmosphere. b. only a small fraction of energy radiating from earth is from the atmosphere. c. the earth’s surface is responsible for a small fraction of heat radiation to space. d. earth’s surface absorbs little of the energy that strikes as solar radiation.

Recent research by marine biologists suggests that bottlenose dolphins have names for themselves. scientists played sounds they had identified as the names of particular dolphins, putting them through a synthesizer so that they did not sound like the voices of particular dolphins. the researchers found that dolphins would respond to the names of other dolphins that they were related to or associated with, but they ignored the names of strangers. this discovery suggests a much greater degree of self-awareness in aquatic mammals than was previously suspected. if this research holds up, what does it suggest about dolphins?

The table above shows five different types of chromosomal abnormalities that can occur during meiosis. they result in either an individual having too many or too few chromosomes in their genome. what is the most likely cause of these chromosomal abnormalities?

What did ernest rutherford expect to happen when he aimed a beam of partials at a thin gold foil