This ain’t even a question
Against their concentration gradient means its active transport.
Diffusion is with the concentration gradient.
Osmosis is the movement of water.
I belive that the emperor penguin fits all the criteria of Group B.
A memoir describes the biography that is personally written in which all life events are captured in words with his memory so it is not considered historical document because
<span> a memoir relies largely on the writer's memories
</span>because it rely on writer memory and he can also forget something
so correct option is C
hope it helps
