The connective tissue covering most of the outside of a bone is called: A.
Cartilage
B.
Periosteum
C.
Bone marrow
D.
Epiphysis

Which would best keep the oxygen cycle stable? a. cutting down jungles to create farmland b. eliminating parks in large cities c. dumping toxic chemicals into the ocean d. reducing the amount of deforestation d. reducing the amount of deforestation

The wind speed in the region between cities a and b was probably the greatest at noon on which day?

The bacteria in the human gut feeds on the food we eat and us break it down for better digestion. what does this exemplify? (a) predator-prey cycle (b) parasitism (c) mutualism (d) a disrupted food chain