WILL GIVE BRAINLESIT Which of the following aspects of harvesting natural resources is specific to petroleum engineers? O researching studies about resources O designing extraction quipment O surveving rocks for minerals O discovering past water sources

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.

Why do we perceive objects as retaining their brightness under different lighting levels?

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast