Which is true of the amount of matter in ecosystems? a). It decreases over time.
b). It remains constant.
c). Scientists cannot determine how it changes.
d). It increases over time.

Which statement describes the reaction for cellular respiration? the equation is carbon dioxide + water → glucose + oxygen + water and energy is required in the form of light the equation is glucose + oxygen → carbon dioxide + water and energy is produced in the form of atp. the equation is carbon dioxide + water → glucose + oxygen + water and energy is produced in the form of atp. the equation is glucose + exygen carbon dioxide + water and energy is required in the form of light.

What noticeable trend from this graph might be used to make a conclusion?

Which organ controls breathing? lungs alveoli heart diaphragm