Light is a form of EM radiation.
EM radiation has no mass (it's just energy packets called photons).
EM radiation can travel through a vacuum. (The speed of light in a vacuum is called c and is around 300,000 m/s).
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<h2>Answer is option "2"</h2>
Explanation:
- Steroid hormones are a gathering of hormones, got from cholesterol, from the class of mixes known as steroids. They are emitted by the adrenal cortex, testicles and ovaries, and by the placenta during pregnancy. Based on their receptors, steroid hormones have been ordered into five gatherings: glucocorticoids, mineralocorticoids, androgens, oestrogens and progestogens.
- Puberty is the point at which young ladies' bodies and psyches develop and they develop into young ladies. This typically begins when a young lady is around 10 years of age. Some of the time, however, an a lot more youthful young lady begins to give the indications of puberty. This is called intelligent (pre-KOH-shuss), or early adolescence (PU-ber-ty).
- Hence the right answer is option 2 Premature puberty in girls in the area".
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