Answer: elevation, index, contour interval
Explanation:
Answer:
B: a population’s age-sex structure
Explanation:
A population pyramid is a way to visualize two variables: age and sex.
They are used by demographers, who study populations. A population pyramid is a graph that shows the distribution of ages across a population divided down the center between male and female members of the population. Expansive pyramids mean that the population does not increase much in total number and has many young people.
Hope this helps! Info from National Geographic, I would trust it if I were you!
The atomic number is 12 :) it is the element magnesium :)
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<span>two types of feedback loops pos and neg
if something get to high and needs to be lowered, then it is positive, and hormones will be triggered to lower it
if something gets to low, then it is negative and needs to be raised to hormones are triggered to raise it.</span>
Answer:
B. Test a hypothesis by gathering data
Explanation: