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beks73 [17]
2 years ago
14

Which is an example of a trace fossil?

Physics
2 answers:
Olenka [21]2 years ago
6 0

Answer: a

Explanation: edge 2021

hodyreva [135]2 years ago
4 0

Answer: The correct answer is A). Animal burrow because burrow fossils represent the preserved byproducts of behavior rather than physical remains, they are considered a kind of trace fossil. One common kind of burrow fossil is known as Skolithos, and the similar Trypanites, Ophiomorpha and Diplocraterion.

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The photograph shows matter going through a physical change. Which characteristic of the matter changes?
Lapatulllka [165]

Answer:

Possibly shape.

Explanation:

Because it is ripped in half. As you guys and the questioner can see that there is a wiggly strip down the middle. That also cause of a shape change.

I really hope my answer is right ^_^  

7 0
2 years ago
Read 2 more answers
Im back and need help
const2013 [10]

Always here to help. Bring it!!!

7 0
2 years ago
A 75 kg object is moving west at 5.6 m/s. What is the object's momentum? (p = mv)
Licemer1 [7]

Explanation:

p=mv

p=5.6×75

p= 420

<em>hope</em><em> it</em><em> was</em><em> helpful</em><em> to</em><em> you</em>

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2 years ago
Which of the following would cause the greatest decrease in gravitational force between the earth and the moon? an increase in t
Sphinxa [80]
<span>a decrease in the distance between the earth and the moon</span>
8 0
3 years ago
a heat engine with an efficiency of 30.0% performs 2500 j of work. how much heat is discharged to the lower temperature reservoi
Free_Kalibri [48]

Answer:

Q₂ = 5833.33 J

Explanation:

First we need to find the energy supplied to the heat engine. The formula for the efficiency of the heat engine is given as:

η = W/Q₁

where,

η = efficiency of engine = 30% = 0.3

W = Work done by engine = 2500 J

Q₁ = Heat supplied to the engine = ?

Therefore,

0.3 = 2500 J/Q₁

Q₁ = 2500 J/0.3

Q₁ = 8333.33 J

Now, we find the heat discharged to lower temperature reservoir by using the formula of work:

W = Q₁ - Q₂

Q₂ = Q₁ - W

where,

Q₂ = Heat discharged to the lower temperature reservoir = ?

Therefore,

Q₂ = 8333.33 J - 2500 J

<u>Q₂ = 5833.33 J</u>

7 0
3 years ago
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