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polet [3.4K]
2 years ago
13

A , B , C , D?? Help

Biology
2 answers:
IrinaK [193]2 years ago
6 0
Omg this question is so easy you know that the sun is a source of all energy in atsmosphere
Mashutka [201]2 years ago
3 0
I think it's a) sun
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Answer:

A

Explanation:

Channel and carrier proteins are both considered facilitated diffusion. We also know that materials do not like to go against the concentration gradient so we can eliminate B.

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CaHeK987 [17]

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C] 10,000 years

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Brainliest for anyone who does all thanks:D in ur own words help plsssss
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I believe these are the answers:) best of luck!

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3 years ago
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Explain why an egg is considered to be unicelular.
Delicious77 [7]

Answer:

membrane and everything else inside is considered the cell, it can be said that it is a single cell. Then, the chicken egg deserves its reputation as the largest cell. If, however you consider the yolk and the albumen (the egg white), separate structures, then eggs are not a single cell.

Explanation:

Short answer: One ovum = one cell = single cell (Latin: unam cellulam), from which we get uni-cellular. ... The zygote resulting from a successful fertilization of a single egg cell (a living unicellular organism), by a single sperm cell (also a living unicellular organism), is also a living unicellular organism

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