Why are a variety of instruments needed to measure change in the climate system?
a. A different type of instrument is needed for each different climate.
b. The climate system involves a number of different factors that are measured differently.
Climate is determined over a number of years, rather than a short period of time.
d. Different areas have developed different instruments to measure climate change.

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation