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leva [86]
3 years ago
10

The ultimate energy source for most marine life is

Biology
1 answer:
seropon [69]3 years ago
8 0
I'm not sure about this, but I think it's the energy in the tidal waves or it could be what they eat.
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A student is studying water fleas and measuring their heart rates as the number of beats per second. What type of data is he rec
Natali [406]
Quantitative data because quantitative uses numbers.
5 0
3 years ago
Question 1 (5 points)
lora16 [44]

Answer:

Electricity, gravity of earth and structure of atom provide evidence.

Explanation:

The investigation of electricity, gravity of earth and structure of atom helps the student to understand that without touching, one object apply force on another object. In electric current, we can see the property of magnetism due to which it attract and repel objects while in gravity of earth, the earth apply gravitational force to attract objects towards itself. in the structure of atom, proton present in the nucleus which attract the electron present in the shells.

5 0
3 years ago
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The complementary base pairs in a dna molecule are stabilized by
postnew [5]

Answer: hopefully this helps? :)

Explanation:The base pairs are stabilized by hydrogen bonds; adenine and thymine form two hydrogen bonds between them, whereas cytosine and guanine form three hydrogen bonds between them. Figure 7. Hydrogen bonds form between complementary nitrogenous bases on the interior of DNA

7 0
3 years ago
What happens during transcription? Select all that apply. please help asap!
dangina [55]

Option A and C are correct.

<h3><u>Explanation:</u></h3>

The DNA is the genetic molecule of a cell in an organism that contains the genetic information stored in forms of genes. The genes are expressed by means of protein synthesis. The genes are formed of particular sequence of nitrogen bases that is called as codon. These codons are transcribed into particular amino acids. This process involves the participation of DNA dependent RNA synthase that produces the mRNA from the portion of DNA by means of transcription. The mRNA that is produced from the DNA is formed of complementary nitrogen bases from the DNA, just exception is that in RNA, thymine is replaced by Uracil. This process is known ad transcription.

5 0
3 years ago
What is a physical change?
maksim [4K]

Answer:

When matter changes form, it's not chemical.

Explanation:

Something like melting of an ice cream. Shredding paper. Something that changes physically. Folding paper is another example.

6 0
2 years ago
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