(Q).
You are presented with the question "Orangutans can communicate by doing what?" and the following answer choices: - mental telepathy - Infomercials - contracting - singing opera - focusing a lens - vocalizing - adding heat - unidirectional Now knowing that sound can be used for communication by animals and orangutans have a vocal repertoire of about 13 sounds, choose the best answer.
(A).
vocalizing

(Q).
You are presented with the question "What comes in coiled strands?" and the following answer choices: - hair - RNA - ovum - dogs - gene - poop - ice - DNA Now knowing that dNA is found in chromosomes and chromosome Chromosome A chromosome is a grouping of coiled strands of DNA , containing many genes, choose the best answer.
(A).
DNA

(Q).
You are presented with the question "Most people can survive only a few days without what?" and the following answer choices: - Nutrients - sodium - ice - a solute - food - liquid - sunlight - dessert Now knowing that most people can survive only a few days without water and most of the earth's water is liquid, choose the best answer.
(A).
liquid