If boiling salt water causes the water to evaporate while leaving salt behind, then what happens when salt water is boiled? Answer choices: - salt changes into other things - flow of electrons - water is evaporated - water freezes - salt is evaporated - prolactin release - Plant growth is reduced - looseness of dirt or compost
water is evaporated

(Question)
If hormones control many cell activities and are important in the chemical equilibrium of the body, then hormones control many cell activities and are important to what? Answer choices: - h2o - an organism's body - weather - increases a body's strength - production of energy - Transfers energy - maintaining density - chemical equilibrium of body
(Answer)
chemical equilibrium of body

Ques: If starfish lack respiratory and excretory systems, then what lack respiratory and excretory systems? Answer choices: - fish - graptolites - starfish - waste - humans - barnacles - insects - ferns
Ans: starfish

(Q).
If adecay curve is used to determine the age of fossils, then what is used to determine the age of fossils? Answer choices: - Calcium carbonate - dinosaurs - a barometer - electron microscope - a thermometer - a decay curve - chemical equations - Physical weathering
(A).
a decay curve

Ques:If mollusks have a circulatory system with one or two hearts that move blood into vessels called arteries, then mollusks have a circulatory system with one or two hearts that move blood into what? Answer choices: - eyes - caverns - body water - food - lungs - allow growth - drink - arteries

Ans:arteries

Ques: If removing water preserves food, then what can be removed to preserve food? Answer choices: - water - nutrients - toxins - salt - A virus - sugar - leeches - peat
Ans:
water