The highest and lowest recorded temperatures for the state of Texas are 120° and –23°. Find the difference in the temperatures.

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist

Avariable that is not being directly tested during an experiment should be changed varied experimented controlled

Helium decays to form lithium. which equation correctly describes this decay?