Physics, 17.11.2020 22:20 akhawajaaa
Study the timeline.
Which statement indicates what the fossil record suggests about evolution on Earth?
Humans have only recently existed on Earth.
Organisms originally lived only on land.
Life on Earth started before water formed on Earth.
Multicellular life evolved before complex single-celled life.
Answers: 3
Physics, 22.06.2019 10:00
In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final
Answers: 3
Physics, 22.06.2019 11:20
How to tell if a molecule is polar or nonpolar with electronegativity
Answers: 2
Physics, 22.06.2019 13:00
What effects result when there is an impact between earth and an asteroid? check all that apply. a.massive flooding. b.extinction of many life forms.c.major earthquakes change in average global temperature.d. giant dust cloud
Answers: 3
Physics, 22.06.2019 17:20
Scientific models are based on current knowledge, which can limit their effectiveness when new discoveries are made.
Answers: 1
Study the timeline.
Which statement indicates what the fossil record suggests about evolution on Ea...
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