If cells secrete electrolytes to maintain the proper pH for enzymes to work, then what do cells secrete to maintain the proper pH for enzymes to work? Answer choices: - Energy - Chemical energy - water conservation - sweating - heat energy - aqueous solution - Organic compounds - electrolytes
electrolytes
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If chemical weathering gives a rusty red color to sedimentary rocks, then what gives a rusty red color to sedimentary rocks? Answer choices: - food coloring - The area was once underwater - chemical weathering - remains of prehistoric life - deoxyribonucleic acid - sea urchins - dirt - earthquakes
chemical weathering
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If female gametophytes produce eggs at the tips of plants, then where do female gametophytes produce eggs? Answer choices: - peachleaf willow - The bottom of plants - Earth orbiting the Sun - The middle of plants - the environment - underground - The tips of plants - plant reproduction
The tips of plants
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If sweat is used to adjust controls to regulate temperature, then what is used to adjust controls to regulate temperature? Answer choices: - glass - motors - neurons - power - copper - sweat - forces - keratin
sweat
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