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Art [367]
3 years ago
14

_________________: A point used for comparison in motion calculations *

Biology
1 answer:
Nana76 [90]3 years ago
7 0

Answer:

A reference point ?

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PLEASE HELP!!!!
il63 [147K]

Answer choices are:


A. Invalidate, because energy should not leave a closed system

B. Invalidate, because the amount of energy should stay constant

C. Validate, because an aquarium is an open system that loses and gains energy

D. Validate, because the amount of energy lost was replaced by matter.

The correct answer choice is:

C. Validate, because an aquarium is an open system that loses and gains energy.


Explanation:


As we know that, the law of conservation of energy is that the total amount of energy of an isolated system prevails to be constant, it is said to be maintained or conserved over time. This law means that energy can neither be created nor be destroyed; rather, it can only be converted or transferred from one form to another.

4 0
3 years ago
A box is pushed across 10m by a force of 40 N in 10 seconds.calculate the power.​
alexandr402 [8]

Answer:

\boxed{ \bold{ \huge{ \boxed{ \sf{40 \: watt}}}}}

Explanation:

Given,

Distance ( D ) = 10 m

Force ( F ) = 40 N

Time taken ( T ) = 10 seconds

<u>Calculating </u><u>the </u><u>power:</u>

\boxed{ \sf{power =  \frac{work}{time} }}

⇒\sf{power =  \frac{force \times distance}{time} }

⇒\sf{power =  \frac{40 \times 10}{10} }

⇒\sf{power =  \frac{400}{10} }

⇒\sf{power = 40 \: watt}

Hope I helped!

Best regards!!

5 0
3 years ago
How does cancer causing mutation happens ?
Harman [31]
I think its when there is an over growth of cells.
5 0
3 years ago
Which process would be included in an accurate diagram of the rock cycle? i
Hitman42 [59]

Answer:

Sedimentary and metamorphic rock melt and become magma.

Explanation:

8 0
2 years ago
Describe at least 3 reasons that Earths atmosphere is so important to life on Earth
Gnom [1K]

Answer:

1. Protects from solar radiation. 2. Prevents water from evaporating too quickly. 3. Maintains stable air pressure

7 0
3 years ago
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