Which statement is true?
a. in terrestrial ecosystems evaporation exceeds precipitation, and in aquatic ecosystems precipitation exceeds evaporation.
b. in terrestrial and aquatic ecosystems, precipitation exceeds evaporation.
c. in terrestrial ecosystems precipitation exceeds evaporation, but in aquatic ecosystems evaporation exceeds precipitation.
d. in terrestrial and aquatic ecosystems, evaporation exceeds precipitation.
e. in terrestrial and aquatic ecosystems, evaporation roughly equals precipitation.

(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.

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

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.