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KonstantinChe [14]
3 years ago
10

How is information on age structure and sex ratios useful to demographers?

Biology
1 answer:
Jlenok [28]3 years ago
8 0
What kind of class is this, I’m ded
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PLEASE HELP!! Will mark brainliest
larisa [96]

Answer:

C.

Explanation:

im not sure if its letter C. hope it helps

6 0
3 years ago
Which statement correctly describes how a sound wave travels through air? A. The wave carries molecules of air away from the sou
JulijaS [17]

Answer: A. The wave carries molecules of air away from the source of the sound .

Explanation:

3 0
3 years ago
Glucose and hexanoic acid each contain six carbon atoms, but they have completely different properties. Glucose is a nutrient fo
IrinaK [193]

Answer:

functional groups

Explanation:

Functional groups are molecules with specific atoms and have their own chemical properties when attached to some other substances. Glucose is a simple sugar and has an aldehyde group (CHO) as its functional group. The presence of CHO in it makes it be present in food without any harmful impacts. On the other hand, hexanoic acid has COOH (carboxylic group) as its functional group. COOH group has a tendency to donate its protons and become ionized. It is toxic as it is reactive and tends to affect the pH of the food or solution in which it is present.

7 0
3 years ago
Which of the following is a process in which carbon is released back into the atmosphere?
bagirrra123 [75]
Each time you exhale, you are releasing carbon dioxide gas (CO2) into the atmosphere. Animals and plants get rid of carbon dioxide gas through a process called respiration. Carbon moves from fossil fuels to the atmosphere when fuels are burned.
4 0
3 years ago
Why is everyone pretending Mrs. Dodds didn't exist?
frosja888 [35]

Answer:

It was a prank

Explanation:

everyone decided to prank percy and act like mrs dodds didnt exist

7 0
3 years ago
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