Answers by Prashanth Chandra
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Answers by Prashanth Chandra

Answers by Prashanth Chandra
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Is ice forming and then melting back into water a physical change
answered Feb 3, 2021
1 vote
207k views
1. How do animals obtain the carbon used in cellular processes? a. breathing in carbon dioxide b. eating plants or other animals c. photosynthesis d. carbon fixation 2. Which two cycles depend on photosynthesis
answered Jan 7, 2021
4 votes
66.0k views
HELP PLS!!!! Light travels approximately 982,080,000 ft/s, and one year has approximately 32,000,000 seconds. A light year is the distance light travels in one year. State the speed in ft/s, using scientific
answered Dec 19, 2020
0 votes
235k views
A pool in the shape of a rectangular prism has a width of 8 1/2 feet (ft), a length of 12ft, and a depth of 8 ft What is the volume of the pool? A) 102ft3 B) 532ft3 C) 816ft3 D) 1,728ft3 PLEASE HELP!!!
answered Aug 29, 2020
2 votes
14.2k views
Sonal is at a brain research center, participating in a study. She is hooked up to a machine that measures electrical activity in her brain through the use of electrodes attached to her scalp. Which technique
answered Apr 12, 2020
2 votes
18.6k views
I just need help on this. ​
answered Apr 5, 2020
0 votes
21.3k views
The standard enthalpy of combustion of naphthalene is –5157 kj mol-1. calculate its standard enthalpy of formation. (use data in tables 2c.4 and 2c.5 in the resource section)
answered Feb 12, 2019
7 votes
125k views
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