The answer is D because its true all of the muscles attached to the skeleton are involuntary and may be used for movement
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Answer:
Explanation:
Land plants are one of the major support of life. Oxygen gases given as a waste product from plant is what human takes in as air to support life. Lands plant provides the major food we eat, which without men cannot survive.
Most medicines, herbs used in various ailment treatment are from land plant this makes them of immense important on the planet earth.
They help in maintaining the ecosystem by reducing the effect of global warming while making use of abundant carbon dioxide that is available in the atmosphere.
