Mental excess could produce, for its own purposes, the voluntary blindness and deafness of deliberate solitude, the
artificial impotence of asceticism.

In this sentence, voluntary means:
A. dangerous
B. mournful
C. timely
D. willful

Which of the following represents a negatively charged ion? of t 7

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

True or false multiple lane changes must be done individually going through the same procedures for each lane change