Fact 1: Sound can be used for communication by animals. Fact 2: Snarls and barks are the sounds they make. Given the two facts above, answer the question "Some animals communicate through what?" with the following options: - chemical reaction - eating quietly - vibrating quickly - being silent - chemical changes - hormones - barks and snarls - chemical messengers
barks and snarls

(Question)
Fact 1: Absorbing sunlight causes objects to heat. Fact 2: Sunlight is the ultimate form of energy. Given the two facts above, answer the question "What can cause objects to heat?" with the following options: - Changing mass - Absorbing energy - Electrical energy - Condensation - Lack of light - rays or beams - colors of the spectrum - electricity
(Answer)
Absorbing energy

Ques: Fact 1: Muscle contraction occurs when muscle fibers get shorter. Fact 2: Muscles can only contract and relax. Given the two facts above, answer the question "What occurs when muscle fibers get longer?" with the following options: - photosynthesis - rapid expansion - kinetic energy - cramps - relaxation - fertilization - movement - sweating
Ans: relaxation

(Q).
Fact 1: Gases from burning coal and oil dissolving in water in the atmosphere causes acid rain. Fact 2: Helpful Generalizations Vapors and gases are molecules. Given the two facts above, answer the question "What from burning coal and oil dissolving in water in the atmosphere causes acid rain?" with the following options: - toxins - Pollution - excretion - chemicals - citric acid - bleach - vapors - water
(A).
vapors

Ques:Fact 1: An egg requires warmth to survive. Fact 2: Eggs, the female sex cells, are produced in ovules, which are inside the ovary. Given the two facts above, answer the question "What requires warmth to survive?" with the following options: - opossums - vacuum - minerals - single-celled organisms - bullfrogs - female sex cells - dolphins - female connectors

Ans:female sex cells

Fact 1: Most protists have motility. Fact 2: Protists are one celled organisms. Given the two facts above, answer the question "What can have motility?" with the following options: - Small things with a microscope - gastropod shells - members of their own species - one celled organisms - Something to move - mitochondria - rocks - intestines
one celled organisms