Question 44
A haploid human cell has
chromosomes.
I
Blank 1:

23

Explanation:

all cells in the body with the exception of sex cells have 46 chromosomes. Gametes contain half of the chromosomes to enable that during sexual reproduction,  the egg and sperm which is fused,  combine the 23 chromosomes in each sex cell to create an offspring with 46 chromosomes

hope this helps

one part of the electromagnetic spectrum that arrives on earth as solar radiation from the sun is the visible spectrum. wavelengths of the visible spectrum combine to form what we refer to as

answer - d) ultraviolet radiation.

violet /   380–450 nm / 668–789 thz

violet is number 1 in the chart of visible light.