Which wavelengths of sunlight care the most energy

Ultraviolet wavelength have the highest energy.

Explanation:

Ultraviolet radiation is an electromagnetic radiation. Its wavelength is 10 nanometers to 400 nanometers. It contribute about 10 percent of sunlight radiation. Wavelength of visible light starts from 400 nanometers so wavelength of Ultraviolet radiation is shorter than visible light but longer than X rays because X rays has a wavelength between 0.01 to 10 nanometers.

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the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.