Which of the following is directly responsible for an acquired trait?

environment

phenotype

genotype

chromosomes

Any atom can be considered stable if it has A. a full valence shell. B. six electrons in the valence shell. C. a valence shell that is one-half full. D. three electrons in the valence shell.

OH CH3-CH2-CH-CH; Spell out the full name of the compound. Submit Request Answer

From the choices provided below, list the reagent (s) in order that will react with 3-pentanone to form 3-pentanol

Which element has the fewest valence electrons available for bonding? A. iodine B. aluminum C. carbon D. nitrogen

Which one of the following series of lines in the hydrogen spectrum arises from transitions down to n=2

Which material best absorbs sound waves in a room? a. heavy curtains b. hardwood floors c. brick walls d. cement floors

Does density of water depend on the amount of water present?

Which of the following air fronts does not move? a Occluded front b Cold front c Stationary front d Warm front

Kwame wants to measure the volume of water contained in a disposable foam coffe. Which should he use? Nanoliters? Milliliters? Or liters?

Which of the following changes the solid Earth the most?