Chimneys are typically vertical, or as near as possible to vertical, to ensure that the gases flow smoothly, drawing air into the combustion in what is known as the stack, or chimney effect.
Answer:
48,XXYY syndrome
Explanation:
48,XXYY syndrome is a chromosomal condition that causes infertility, developmental and behavioral disorders, and other health problems in affected boys and men
Answer:
Accuracy
Explanation:
In science, accuracy describes closeness to the actual value, rather than precision, which describes closeness to your own experimental values.
In mathematics, deviation best describes variation from the actual value to the observed value.
I would assume you're looking for the first answer.
The correct answer is: d) begins later in life
Eggs or female reproductive cells are formed well before birth in a huge number (primordial oocytes). But, the number of oocyte decreases after birth constantly (there are 2 million oocytes at birth and 40,000 of them in puberty). At menopause, no egg cells are left.
On the other hand, the first sperms are formed only from puberty, but the production of those cells never stops.