How is a model of an atom different from a real atom?
a. a model of an atom is not as big as an actual atom.
b. a model of an atom is the same as a real atom.
c. a model of an atom is more complex
than a real atom.
d. a model of an atom is not as small as an actual atom.

What are the steps of how energy is transformed in plant cells?

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

Which of the following shows the results that you would get if you tested beef using the four tests in the gizmo