Which statement describes what happens to elements during radioactive decay?A-They release energy.
B-They gain new particles.
C-They lose energy at a varying rate.
D-They have a consistent number of particles.

Answers

Answer 1
Answer:

Answer:

The correct answer is option A-"They release energy".

Explanation:

The phenomenon of radioactive decay, also known as radioactivity or nuclear radiation, occurs when an unstable atomic nucleus emits radiation and loses energy and mass in the process. The elements during radioactive decay release energy and mass trying to reach a stable form. The material that has the unstable nucleus is considered radioactive.

Answer 2
Answer:

Answer:

Option (A)

Explanation:

Radioactive decay is usually defined as a process by which an unstable nucleus of an atom continuously disintegrates into a stable nucleus, resulting in the liberation of a large amount of energy as well as matter.

The radioactive substances undergoes radioactive decay and these released energy is very harmful as they are emitted in the form of ionizing radiation.

These process of radioactive decay is commonly known as radioactivity.

Thus, the correct answer is option (A).


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What is the difference between sedimentary and metamorphic rock?

Answers

Metamorphic are formed through change underground sedimentary are formed through sediment
Sedimentary rock is formed from sediments that have gone through weathering, erosion, Depposition, compaction and cementation. Metamorphic rock is a igneous, sedimentary or metamorphic that has been changed through heat and pressure

Help Please! "Which of the following is a thin pair of sedimentary beds that can be used to measure absolute time?"A. Varves

B. Radiometric Dating

C. Dendrochronology

Answers

Answer:

The answer is A. Varves Hope this helps!

What is the role of cooling air in producing precipitation from clouds?

Answers

Clouds are condensed droplets or ice crystals from atmospheric water vapor. Clouds form by the rising and cooling of air caused by convection, topography, convergence, and frontal lifting. Convection occurs when the Sun's radiation heats the ground surface, and warm air rises, cooling as it goes. Air also is cooled if an air mass is forced to move upward as a result of higher topography (e.g., a mountain range) in a process known as orographic lifting. Interestingly, when the air mass descends on the other side of the mountain, it warms and the clouds may disappear as the droplets transfer back to vapor. *

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The position of the new moon is always located in the daytime sky.
True
False

Answers

It's true, I remember this from grade 8

Answer:

True

Explanation:

Hope this helps :)