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3 years ago

1. How would you explain that energy in animals' food was once energy

Chemistry

2 answers:

AleksAgata [21]3 years ago

8 0

Answer:

Explanation: That energy inanimals food, used for body repair,growth, motion .It maintain body warmth, once energy from the sun.

Tju [1.3M]3 years ago

4 0

Answer:

The energy released from food was once energy from the sun that was captured by plants in the chemical process that forms plant matter (from air and water). Food provides animals with the materials they need for body repair and growth and the energy they need to maintain body warmth and for motion.

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What gas is used in freezers and fridges?

natta225 [31]

Answer:

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Explanation:

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3 years ago

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2 years ago

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Explanation: Hope this helps

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3 years ago

What type of radioactive decay will the isotopes 13B and 188Au most likely undergo?

scoundrel [369]

Answer:

b. Beta emission, beta emission

Explanation:

A factor to consider when deciding whether a particular nuclide will undergo this or that type of radioactive decay is to consider its neutron:proton ratio (N/P).

Now let us look at the N/P ratio of each atom;

For B-13, there are 8 neutrons and five protons N/P ratio = 8/5 = 1.6

For Au-188 there are 109 neutrons and 79 protons N/P ratio = 109/79=1.4

For B-13, the N/P ratio lies beyond the belt of stability hence it undergoes beta emission to decrease its N/P ratio.

For Au-188, its N/P ratio also lies above the belt of stability which is 1:1 hence it also undergoes beta emission in order to attain a lower N/P ratio.

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3 years ago

The following diagram shows various positions of the moon in its orbit around Earth. The image of the moon shows its phase as se

Serga [27]

Answer:

Position D

Explanation:

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3 years ago