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Anestetic [448]
3 years ago
9

I NEED HELP FAST!

Chemistry
1 answer:
AlladinOne [14]3 years ago
7 0
It would be A. a ring around the Sun caused by particles in the air.
Hope this helps! <3
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Where does the rest of the energy “lost” go? <br> (In food webs)
Blizzard [7]

Explanation:

The rest of the energy is passed on as food to the next level of the food chain. The figure at the left shows energy flow in a simple food chain. Notice that at each level of the food chain, about 90% of the energy is lost in the form of heat.

3 0
3 years ago
Read 2 more answers
Which element has the lowest mass per nuclear particle and therefore cannot release energy by either fusion or fission?
klemol [59]
The element that has the lowest mass per nuclear particle and therefore cannot release energy by either fusion or fission is the element Fe or iron. Iron is referred to as a special element due to its nuclear binding energy. A general idea is that you can have nuclear fusion of two elements and get a heavier element only up to the element iron in the periodic table of elements and also you can only have fusion reactions starting from the element next to iron. This is due to the nuclear forces and the electromagnetic force being balanced for the element iron.
4 0
3 years ago
Which best describes the velocity of a person on a merry-go-round? * 1 point zero constant increasing continuously changing​
pav-90 [236]

Answer:

continuously changing

Explanation:

The velocity of a person on a merry-go-round can best be described as continuously changing. This is because the initial velocity before the ride starts would be 0. Once the ride begins, it keeps going faster and faster until it reaches a certain speed. During this time the velocity is increasing. Then it remains constant for a certain period of time and when the ride is over the velocity and speed begins to decrease until ultimately reaching a speed of 0. Therefore, it is continuously changing throughout the duration of the ride.

7 0
3 years ago
Weathering can change the physical characteristics of an area. Which statement is an example of chemical weathering?
Virty [35]

Answer:

"Rain mixes with pollutants in the air to interact with rock" is an example of chemical weathering

Explanation:

The first statement refers to something known as "freeze thaw" which is mechanical weathering.

The second and fourth statements also refer to mechanical weathering

6 0
2 years ago
If the separation between two charges increases, how does the force
Leona [35]

The force reduces

Explanation:

According to Coulomb's law, the force between the charges will reduce if the separation between the charges increases.

Coulomb's law states that "the force between two charges is a directly proportional to the product of the magnitude of the charges and inversely proportional to the square of their separation.".

                  F = \frac{K q_{1} q_{2} }{r^{2} }

where F is the electric field force

            K is the constant of the field

       q_{1} is charge 1

         q_{2} is charge 2

                 r is the separation

We see that the separation is inversely proportional to the force between the charges. The larger the separation, the weaker or smaller the force.

learn more:

Newton's laws brainly.com/question/11411375

#learnwithBrainly

5 0
3 years ago
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