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valkas [14]
3 years ago
14

Where does the primary source of energy needed for life come from

Biology
2 answers:
tresset_1 [31]3 years ago
4 0

Answer:

the sun provides all energy

arlik [135]3 years ago
3 0
The primary source of energy needed for life is the sun.
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Trilobites were abundant in Pennsylvania. Trilobites were among the first of the arthropods, a phylum of hard-shelled creatures
MaRussiya [10]

Hi!

It would be D, because trilobites were aquatic.

Hope this helps!

4 0
3 years ago
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Q: 47 starch, glucose and starch indicator. Which statement best describes what will most likely happen after several minutes?
gladu [14]
Contents of the model cell will change color.

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7 0
3 years ago
Study this brochure from NASA, which explains in more detail the instruments carried by the Juno spacecraft.
Helga [31]

Answer:

i cannot see the brochure :/

8 0
2 years ago
What evidence must be considered when determining whether or not a trail is adaptation?
Dmitry [639]
An adaptation is a trait that "evolved" for a particular condition that allows the animal to survive. Something is adaptive if it is a useful trait but not necessarily one that occurred in response to a particular selection pressure. Basically a trait is an adaptation if it is the product of selection, and adaptive if it is beneficial in the present time.

Read more on Brainly.com - brainly.com/question/1946228#readmore
4 0
3 years ago
Read 2 more answers
Substance A and substance B are mixed together. To separate the mixture, water is added, and substance A is filtered out. Then,
Sveta_85 [38]

The correct answer would be that substance A is rice, and substance B is sugar.

For substance A to be filtered out, it means that A is a water-insoluble substance and for substance B to be recoverable by evaporating off the water, it means that B is water-soluble.

Thus, A can neither be sugar nor alcohol because neither can be recovered by filtration. Also, B can neither be coffee nor alcohol because they can not be recovered as residue through evaporation of water.

Therefore, the only correct answer is that substance A is rice, and substance B is sugar because rice can be filtered out from water while the water-soluble sugar can be recovered by evaporating the water.

More about separating mixtures here: brainly.com/question/2827008

6 0
3 years ago
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