(Q).
Sound can be used for communication by animals, and orangutans have a vocal repertoire of about 13 sounds. Given these facts, orangutans can communicate by doing what among the following options: - mental telepathy - Infomercials - contracting - singing opera - focusing a lens - vocalizing - adding heat - unidirectional
(A).
vocalizing

(Q).
DNA is found in chromosomes, and chromosome Chromosome A chromosome is a grouping of coiled strands of DNA , containing many genes. Given these facts, what comes in coiled strands among the following options: - hair - RNA - ovum - dogs - gene - poop - ice - DNA
(A).
DNA

(Q).
Most people can survive only a few days without water, and most of the earth's water is liquid. Given these facts, most people can survive only a few days without what among the following options: - Nutrients - sodium - ice - a solute - food - liquid - sunlight - dessert
(A).
liquid