Which statement about mutualisms is false?

A. For an ecological interaction to be a mutualism, the net benefits must exceed the net costs for one partner but not the other.
B. Species do not engage in mutualisms for altruistic reasons.
C. In some mutualisms, one or the other partner, under certain environmental conditions, will withdraw the reward it usually provides.
D. There is an inherent conflict of interest between the partners in a mutualism.

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

ya the other dude is right

answer: ice crystals in air

the water from the water body or another source of water gets evaporated as water vapor as an effect of heat on water. these water vapor rises in the upper layers of the earth atmosphere under high atmospheric pressure. the atmospheric pressure of these water molecules starts to decrease due to the effect of cold air. the invisible water vapor condenses into visible water droplets and ice crystals.these ice crystals and water droplets being less denser than the surrounding air floats on air as clouds.