A/an _______ is a type of research that involves observation and collecting data but does not include a control. A. independent
variable B. experimentation C. dependent variable D. investigation
1 answer:
Should be D. an investigation
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Answer:
The answer is the last one
Explanation:
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2.me
3. Brainliest
4.please
Explanation:
Given
mass (m) = 44 kg
velocity (v) = 31 m/s
Now
Kinetic energy
= 1/2 mv²
= 1/2 * 44 * 31²
= 0.5 * 44 * 961
= 21142 joule
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Answer:
-1
Explanation:
Many of the common polyatomicions have an electrical charge of.
Explanation:
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Answer:
Substances that absorb energy in the form of heat are
b)endothermic.
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