Answer:
mechanical digestion is the physical part of digestion
Answer:An atom consists of three sub atomic particles which are protons, neutrons, and electrons. Protons have a positive charge, neutrons have no charge, and electrons have a negative charge.
Explanation: because atoms are made up of particles
Answer:
NaNO3
Explanation:
Hello,
In this case, the required reaction is an acid-base neutralization reaction which is said to be:

There, we see that the sodium displaced the hydrogen in the nitric acid to form sodium nitrate a very used salt in the industry, so, as a result of that displacement, water is formed as the secondary neutralization product. For the above mentioned, answer is NaNO3
.
Best regards.
Answer:
<h2>3.31 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

From the question
mass = 23.2 g
volume = final volume of water - initial volume of water
volume = 62 - 55 = 7 mL
We have

We have the final answer as
<h3>3.31 g/mL</h3>
Hope this helps you