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ololo11 [35]
3 years ago
7

1. Any event or situation that evokes a response is a

Physics
1 answer:
Ugo [173]3 years ago
7 0

stimulus. Because its the only thing I can really think of that evokes.

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If silicic rock is found in a core sample, what evidence does this provide about the rock’s location?
iragen [17]

If silicic rock is found in a core sample, its location is likely underneath an ocean or a mountain.

Answer: Option A

<u>Explanation:</u>

Silicic rock are the type of rocks which are made up of silica and are located at the crust of the earth which is more likely to the core lying underneath and it extends all the way up to 30 km.

Its density is around 2 gm / cm^3 .One of the common example of silica is granite. So if the silicic rocks are found in a core it is more likely underneath the ocean or mountain.

3 0
3 years ago
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Give four importantnce of recycling ​
Crank

Answer:

prevents pollution, reduces the need to harvest new raw materials, saves energy, reduce greenhouse gas

8 0
3 years ago
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A 5000kg car traveling at 40m/s crashes into a wall and comes to a complete stop in 10ms. What was the force on the wall?​
Kisachek [45]

Answer:

20,000,000 N

Explanation:

First find the acceleration:

a = Δv / Δt

a = (0 − 40 m/s) / 0.010 s

a = -4000 m/s²

Next use Newton's second law to find the force on the car:

F = ma

F = (5000 kg) (-4000 m/s²)

F = -20,000,000 N

According to Newton's third law, the force on the wall is equal and opposite the force on the car.

F = 20,000,000 N

7 0
3 years ago
Which isotope has 16 neutrons and is used to study nucleotides and nucleic acids?
qaws [65]
When naming isotopes, the number beside it indicates the mass number. Now mass number is the sum of protons and neutrons. 

We know that the mass number of a stable Sulfur atom is 32, so  we can rule out C as an isotope. The atomic number of Sulfur is 16 and that means that there are 16 protons. Now if we subtract 16 from 33, then that means there are 17 neutrons. So we can rule out D. 

Phosphorus on the other hand has an atomic number of 15. If we subtract 15 from 31 we will have 16. That means that Phosphorus-31 has 16 neutrons.

The answer would then be A. Phosphorus 31. 
7 0
4 years ago
Vicky wanted to investigate water evaporation. She placed 50 mL of distilled water in three identical glass jars. She left one j
IgorC [24]

Answer:

D. the amount of water placed in jars

Explanation:

it was the same for all of the jars at the beginning

4 0
3 years ago
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