Ecosystem productivity is principally limited by

Prior knowledge can be gained from personal experience and a) forming well-developed hypotheses. b) listening to opinions of other people on a topic. c) researching previous experiments and results on a topic. eliminate d) no other methods. it can only be gained by personal experience.

Sedimentary rocks located under the ocean may contain what commercial products

The disease osteoporosis often results from insufficient intake of dietary calcium salts. of the three samples of bone you tested in exercise 7-2, which is the most similar to the bones in osteoporosis