Answer:
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Explanation:
Explanation:
Like most stars in our universe, the Sun is on the main sequence stage of its life. This means nuclear fusion reactions in its core fused hydrogen into helium. However, this process cannot last forever since there is a finite amount of hydrogen in the core of the Sun. Currently it has more than 72% hydrogen.
i want 4 brainliest ans please give me
Answer:
by affecting their behaviour (such as attendance at a screening programme; the food they eat; whether they take prescribed medication), or more directly by affecting a physiological system (such as the immune or cardiovascular systems).