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harina [27]
3 years ago
6

Marking as brainliest

Biology
2 answers:
PIT_PIT [208]3 years ago
4 0

Answer:

Z = 2 and A = 4

Explanation:

larisa [96]3 years ago
3 0

Answer:

Alpha decay or α-decay is a type of radioactive decay in which an atomic nucleus emits an alpha particle (helium nucleus) and thereby transforms or 'decays' into a different atomic nucleus, with a mass number that is reduced by four and an atomic number that is reduced by two.

Explanation:

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The human body is composed of cells, organs, organ systems, and tissues. How are these organized?
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Answer:Cells are organized into tissues; and tissues form organs. Organs are organized into organ systems. Example like your muscular system.

Explanation:

7 0
4 years ago
A hypothesis is a ___.
Aloiza [94]

Answer:

A hypothesis is a tentative/ preliminary statement of the relationship between two or more variables. <u>It is a specific, testable prediction about what you expect to happen in a study.</u>

Explanation:

In science, the hypothesis is an idea or explanation that you then experience/test through study and experimentation. Outside science, theory or guess can also be called a hypothesis. The hypothesis is nothing more than an unbridled, wild guess but less than a well-established theory.

So, we can conclude that <em>The hypothesis</em><u> is a simple statement that defines what you think the outcome of your experiment will be.</u>

<em>Hope</em><em> </em><em>this helps</em><em>.</em><em>.</em><em> </em>

<em>Good</em><em> </em><em>Luck</em><em>!</em>

8 0
3 years ago
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What happens when a joint swells up?
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7 0
4 years ago
I WILL GIVE 100 POINTS!!
OLga [1]

Answer:

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