You are presented with the question "What happens when salt water is boiled?" and the following 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 Now knowing that heating salt water causes the water to evaporate while the salt remains and on high heat, bring to a boil, choose the best answer.
water is evaporated
(Question)
You are presented with the question "hormones control many cell activities and are important to what?" and the following answer choices: - h2o - an organism's body - weather - increases a body's strength - production of energy - Transfers energy - maintaining density - chemical equilibrium of body Now knowing that hormones control many cell activities, so they are very important for homeostasis and homeostasis is the chemical equilibrium of the body, choose the best answer.
(Answer)
chemical equilibrium of body
Ques: You are presented with the question "what lack respiratory and excretory systems?" and the following answer choices: - fish - graptolites - starfish - waste - humans - barnacles - insects - ferns Now knowing that echinoderms lack respiratory and excretory systems and starfish and sea urchins are also echinoderms, choose the best answer.
Ans: starfish
(Q).
You are presented with the question "What is used to determine the age of fossils?" and the following answer choices: - Calcium carbonate - dinosaurs - a barometer - electron microscope - a thermometer - a decay curve - chemical equations - Physical weathering Now knowing that radioactive dating is used to determine the age of fossils and radioactive dating requires the use of a decay curve, choose the best answer.
(A).
a decay curve
Ques:You are presented with the question "Mollusks have a circulatory system with one or two hearts that move blood into what?" and the following answer choices: - eyes - caverns - body water - food - lungs - allow growth - drink - arteries Now knowing that mollusks have a circulatory system with one or two hearts that pump blood and blood is pumped by the heart into blood vessels called arteries, choose the best answer.

Ans:arteries
Ques: You are presented with the question "What can be removed to preserve food?" and the following answer choices: - water - nutrients - toxins - salt - A virus - sugar - leeches - peat Now knowing that dehydrating food is used for preserving food and dehydration is the removal of water, choose the best answer.
Ans:
water