Agroup of scientists examined a meteorite from mars and found a carbon-rich substance that is produced when microorganisms decay. they concluded that the meteorite provided evidence there was once life on mars. why is this an emerging idea? check all that apply.
it is unlikely that there was life on mars.
other scientists disagree about the origin of the carbon-rich substance.
the scientists only studied one meteorite.
there is a scientific consensus that life exists on other planets.

Which gas found in the earth's atmosphere greatly impacts the daily range of temperature on earth. a) oxygen b) hydrogen c) nitrogen d) water vapor

Astudent completed a lab report. which correctly describes the difference between the "question" and "hypothesis' sections of her report? "question states what she is asking, and "hypothesis" states the result of her experiment "question" states what she is asking, and "hypothesis" states what she thinks the answer to that question is in 'if. then because" format. "question" describes what she is trying to find out, and "hypothesis" states the procedures and methods of data collection. "question" describes what she is trying to find out, and "hypothesis" states any additional information or prior knowledge about the question

The basic kind of life cycle found in the simplest animals is: haplontic or diplontic