What layer of the atmosphere receives enough energy from the sun to break apart molecules and atoms? ionosphere stratosphere mesosphere troposphere

Describe the primary and secondary immune response in terms of speed and number of antibodies produced?

Anita thinks that she has heterozygous alleles for red hair.if she is correct, which of these diagrams best illustrates anitas alleles pf red hair

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.