Answer:
50 %
Explanation:
A woman has fixed number of eggs. With each menstrual cycle, one egg is released. By the time a woman reaches the age of early 40s, the egg count has reduced tremendously and the chances of a woman being fertile are very low.
Along with women, men also develop some issues with their sperm count and speed.
Thus the probability of a man and woman having baby is 50% at the age of 40.
Answer:
RNA
Before protein synthesis, a messenger carries the genetic code from the DNA in the nucleus into the cytoplasm. The messenger is called RNA.
Explanation:
I dont have biology but i learned about this.
Answer:
a low hydrogen ion concentration and a high pH
From periodic table: Lithium, beryllium, boron, carbon, sodium, magnesium, aluminum, silicon, potassium, calcium, titanium, copper, iron , nickel, cobalt, manganese, zinc, germanium, arsenic, gallium, technetium, and etc....
Eles tem sim
bons estudos =)
precisando e só chama