Plants use oxygen in respiration.
True
Or
False

Which of the following will not cause mass extinction? a. drastic change is weather b. geological change c. both a and b d. none of the above

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?