<span>Radon gas is a Groundwater entering a house through a home water-supply</span>
Sexual reproduction occurs in the flower of flowering plants. Male gametes are produced in anthers of the flower and are found in pollen. Female gametes are produced in the flower’s ovary and are found in ovules.
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It includes killing bacteria and storing partially digested food
Robert trivers <span>created three additional theories for evolutionary studies that included parental investment, parent-offspring conflict, and reciprocal altruism.</span>
Answer:
B - earthquakes
Explanation:
the movement in the earth' plates causes earthquake.
