You are presented with the question "What are lasers?" and the following answer choices: - energy - inactive - Firecrackers - polarized - heated - electricity - magnetized - irregular Now knowing that alaser is used for producing light and furthermore, such laser light is polarized, choose the best answer.
polarized
(Question)
You are presented with the question "An animal requires what for survival?" and the following answer choices: - a leash - rocks - chemicals - stamina - plants - proteins - food - fossil fuel Now knowing that an animal requires air for survival and plants help make oxygen for the air, choose the best answer.
(Answer)
plants
Ques: You are presented with the question "what does gases from burning coal and oil dissolving in water in the atmosphere do?" and the following answer choices: - chemical changes - saves trees - forms diamonds - vaporization - heating liquids - kills trees - weathering - Pollution Now knowing that gases from burning coal and oil dissolving in water in the atmosphere causes acid rain and acid rain kills trees , choose the best answer.
Ans: kills trees
(Q).
You are presented with the question "A measuring cup is used for measuring?" and the following answer choices: - vital capacity - heat energy - Temperature - barrel-shaped - layers of fat - body water - all liquids - deoxyribonucleic acid Now knowing that ameasuring cup is used for measuring the volume of substances and how is volume measured Vital capacity is a volume measurement, choose the best answer.
(A).
vital capacity
Ques:You are presented with the question "what are single-celled organisms that lack a nucleus?" and the following answer choices: - Leeuwenhoek - orchids - Most plants - barnacles - PDAs - bacteria - cacti - ferns Now knowing that prokaryotes are single-celled organisms that lack a nucleus and prokaryotes All bacteria are prokaryotes, choose the best answer.

Ans:bacteria
Ques: You are presented with the question "What happens when muscles around the prostate gland contracts?" and the following answer choices: - preventing heat transfer - The bending of a ray of light - Generating heat - Warm air moving into cold air - Sperm leaves the epidiymes - heat produced - Release energy - rapid expansion Now knowing that ejaculation occurs when muscle contractions propel sperm from the epididymes and an ejaculation occurs as the muscles around the prostate gland and the penis contract, choose the best answer.
Ans:
Sperm leaves the epidiymes