Carbon dioxide is what humans exhale, giving trees carbon dioxide will produce oxygen
Answer:
(UV) radiation is with recent research showing that UV radiation has the capacity to degrade folate in human blood and skin.
Which of the following is a plant waste product?
A. oxygen
<u>B. carbon dioxide </u>
C. water
D. sugar
The answer is '<span>triploid cell'.
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This occurs when two sperm nuclei reach the interior of a female gametophyte, where one sperm will fertilise the egg cell to form a zygote, whereas the other usually fuses with the binucleate central cell, forming a primary endosperm cell, effectively constituting an organism separate from the growing embryo. Approximately 70% of angiosperm species have polyploid endosperm cells which are typically triploid (containing three sets of chromosomes), but can vary widely from diploid(2n) to 15n.