Two skeletal system processes that are constantly taking place include the resorption of existing bone and formation of new bone. The bone disorder that results from low bone mineral density is osteoporosis and involves an imbalance between these two processes. Which of the following is not likely to cause osteoporosis? A.
excess bone resorption and inadequate formation
B.
excess bone formation and inadequate resorption
C.
poor calcium absorption into bone
D.
excess calcium release into blood

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?

In the united states there are strict fishing seasons and limits, but not all countries enforce similar laws. in bangladesh there are few if any fishing restrictions. what might be the reason for less restrictions in smaller countries like bangladesh? a) the united states is the only country worried about overfishing. b) the united states wants to limit the supply of fish to increase the price. c) bangladesh and smaller countries have an unlimited supply of fish in their coastal waters. d) small countries, such as bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.

Achange in which factor will affect the rate of reaction only when gases are involved? temperature pressure surface area concentration