Elephants have pointy tail because they need it to become more streamlined and for their aerodynamics. Being streamlined and having aerodynamics helps them to have a little resistance to air and water flow. It also helps them to increase speed and for ease of movement.
Your answer would be: A. because scientists use what they have to create a theory, a theory is pretty much an educated guess is what a teacher would say, the theory would need to have evidence in order for it to be an educated guess. The scientist would have to come up with an explanation in order for the theory to work, or be an educated guess.
Answer:
A nucleotide is made up of a sugar molecule.
Explanation:
Answer:
T-A
C-G
C-G
A-T
G-C
Explanation:
The two base pairs are C-G and A-T and they can be used inversely.
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