Answer: D. changes direction
Explanation: A lens works by refraction: it bends light rays as they pass through it so they change direction.
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Answer is (3) Knowledge of astronomy was used by
<span>Muslims to fulfill religious obligations.</span>
Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). This form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.
Water pollution affects the entire biosphere – plants and organisms living in these bodies of water. In almost all cases the effect is damaging not only to individual species and population, but also to the natural biological communities.
We cannot see the options so we cant tell you, take a photo of the options
Answer:
Europe Asia Africa North and South America
Explanation:
