Answers by Raj Advani
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Answers by Raj Advani

Answers by Raj Advani
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Chopping wood is an example of a physical change. Burning wood logs in a fire is a chemical change. What distinguishes the chemical change from the physical change? A. The chemical change takes away weight.
answered Jun 24, 2018
2 votes
160k views
Which would usually be studied by a geologist
answered May 19, 2018
6 votes
107k views
Photosynthesis is made up of both light-dependent and light-independent reactions. Identify the products of the light-dependent portion of photosynthesis.
answered Jul 30, 2017
5 votes
102k views
During photosynthesis, the energy from sunlight is used to split water molecules. What happens to the hydrogen ions that are split from the water molecules? A) they build up in the thylakoid B) they are
answered Jun 4, 2017
4 votes
221k views
A submarine descended 1400 meters below the surface of the water. It then rose 800 meters and then descended 350 meters. What was the submarine's net gain or loss in altitude? –1200 m –950 m –400 m 650
answered Jan 12, 2017
1 vote
132k views
Please help! Hannah practices her guitar for 40 minutes on Monday. On Tuesday she practices for 5/8 of the time she practiced on Monday . On Wednesday she practices for 4/5 of the time she practiced on
answered Dec 29, 2016
1 vote
35.3k views
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