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cricket20 [7]
3 years ago
11

How are stars classified?

Biology
2 answers:
DiKsa [7]3 years ago
5 0
Mostly in summary by their spectra! hope this helped
RUDIKE [14]3 years ago
3 0

Answer:

Stars are classified by their spectra (the elements that they absorb) and their temperature. There are seven main types of stars. In order of decreasing temperature, O, B, A, F, G, K, and M.

Explanation:

O and B stars are uncommon but very bright. M stars are more common but dim.

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What are possible negative effects of building a hydropower dam? Select the two correct answers.
MrMuchimi

The correct answers are B; Displacement of people living near the proposed dam and C; Lower river water levels in other areas.

Further Explanation:

The hydropower dam uses water instead of coal to generate electricity. Since they are build on the water, they will be using that source as a way to generate electricity. This will cause the water levels to be lower in some areas along the river.

When building a dam, they will need to use property that is located on the river. Many people own homes along the river banks all over the world. The company who will be building the dam will usually buy out the property owners at a fair market price. This will mean that they will have to move and leave their homes. The homes are typically torn down to make way for the dam.

In some instances, the water bills for the people in the area may be raised also since so much water is being used by the hydropower dam.

Learn more about a hydropower dam at brainly.com/question/5497101

#LearnwithBrainly

8 0
3 years ago
How big is the average watermelon?
nata0808 [166]

10 to 12 inches

Fruits are nearly round averaging 10 to 12 inches in diameter with an average weight of 24 pounds. Flesh is bright deep-red with high sugar content and relatively few small dark brown mottled seeds Read More… This popular oblong striped variety averages 22 to 24 inches long by 11 to 13 inches in diameter.

6 0
3 years ago
Why does a frameshift mutation usually cause more effects during protien sythesis than a point mutation
Levart [38]

Frameshift mutation affects codons downstream the point of mutation. The previous order of 3 nucleotide- sequences (codons) is consequently changed. This, therefore, changes the protein coded by the mRNA transcribed by the mutated DNA region. Frameshifts are mostly due to insertion or deletion mutations.

7 0
3 years ago
Who are bigger, the red blood cells or the white blood cells?.
nlexa [21]

Answer:

White blood cells ↓

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What is the goal when using a dichotomous key?
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To find the similarities and differences in organisms by using possible chromosome and physical characteristics.

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3 years ago
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