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Ad libitum [116K]
3 years ago
12

How was Christopher Columbus able to successfully follow a course west to the Americas without the help of an accurate map?

Biology
1 answer:
77julia77 [94]3 years ago
4 0
He had used a compass. I hope this helps!
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Which structure produces cells that have the potential to become gametes?
Temka [501]

The question is incomplete and the complete question is attached.

Answer:

Testes

Explanation:

In the given question, the male reproductive structure has been provided and in this male reproductive structure, only "Testes " which occurs in the pairs are known to form the male gametes.

The male gametes called sperms are formed from the spermatocytes which by the process of meiosis produces four spermatozoa which later mature into the spermatids and sperms.

Thus, Testes is correct.

5 0
3 years ago
Why do some animals like dogs have a short lifespan
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3 years ago
What was observed during Rutherford's experiment?
g100num [7]
I believe the correct answer from the choices listed above is the last option. Most of the particles went through the foil, but some were deflected. This<span> proved that atom has mostly empty space,there is positively charged nucleas at the centre of the atom and the electrons revolve round the neucleus at large distances from it in circular orbits.</span>
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3 years ago
What would be the inde pendant variable for this question will plants grow better in it light or darkness
Aliun [14]
A variable is part of an experiment that can change, such as amount of light, temperature, humidity, time changes, or plant growth.

In an experiment, an independent variable is a variable that either changes on its own, or you purposely change it.



The goal of an experimental investigation is to determine how changes in an independent variable affects another variable, which is called the dependent variable.

Remember: When designing an Experimental Investigation it is important that you only have one independent variable and one dependent variable. All other variables must be controlled, meaning they must stay the same.
3 0
3 years ago
Both the hair and skin contain keratin. When comparing the hair shaft to the skin which layer of the epidermis is most similar?
Paha777 [63]

Answer:straum and straum

Explanation:

they both have the same name

3 0
2 years ago
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