Answer:
A)11,460 years
Explanation:half of a radioactive element represent the time take for half of it's components to dissociate or disintegrate.
For carbonn14 that undergo an emmision to form a stable carbon 14,it moves thus
14C(1 part) ______14C(0.5 parts)_____14C(0.25parts)
i.e it undergo two radioactive decay which means two half lives .
Since each half life is 5780 years ,the age will be 2×half lives= 2×5780=11,460 years
Answer:
Its a Anaphase
because <u>the</u><u> </u><u>chromatids</u><u> </u><u>of</u><u> </u><u>each</u><u> </u><u>chromosomes</u><u> </u><u>have</u><u> </u><u>separated</u><u> </u><u>and</u><u> </u><u>are</u><u> </u><u>moving</u><u> </u><u>towards</u><u> </u><u>the</u><u> </u><u>poles</u>
Answer:
A. to remove waste
Explanation:
The purpose of reproduction is to create offspring. Offspring will naturally carry the characteristics of the parents. When offspring are born they create the next generation and keep a species alive. The excretory system removes waste.
The process of photosynthesis converts light energy into stored chemical energy by converting carbon dioxide plus water into sugars plus released oxygen.
Ok on the first question I have no clue but on the second question of going to be the last answer white with a few grey