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dexar [7]
3 years ago
12

What is the effect of alcohol administration on the frequency of Daphnia heart contractions and how does this effect of alcohol

change with the dose of alcohol applied?
Biology
1 answer:
Natalija [7]3 years ago
4 0

Answer:

to prevent bacteria and viruses

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Question 4 .Which process is a physical change?
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Explanation:

Which process is a physical change?

c. melting ice

If you break a piece of glass, the shape of the glass changes, but the properties in the fragments remain the same. Which of the following has occurred?

d. a physical change

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false

Atomic mass is the sum of

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a. shiny

Hope this helps.

3 0
3 years ago
The density for gold is 19.3 g/cm³. What would be the mass of a 30 cm³ piece of gold?
lawyer [7]

Answer:

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Which protist is considered to be the most complex and specialized?
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The answer is B. Paramecium.

Explanation:

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