<h2>Answer:</h2>
The correct statements are 2, 3 and 5 which are:
2. They fall from the clouds as ice crystals.
3. They form around particles in the atmosphere.
5. They form when water vapor is converted directly to ice crystals.
<h3>Explanation:</h3>
- Snow flake is the name of single ice crystal which has distinct shape of six sides.
- It is formed when a cold water droplet freezes on the dust or pollen particle in air.
- This forms an ice crystal. Water vapor forms the primary crystal.
- The beautiful and unique shape forms according to temperature.
C waning crescent and waxing crescent
The right side of the heart sends blood out to the lungs to become oxygenated and that oxygen-rich blood comes back to the heart on the left side. Then the left side of the heart pumps the oxygenated blood to the rest of the body.
Answer: C. Clotting enzyme
Explanation:
Semen is the fluid that is discharged by the male reproductive organs. It is composed of sperms and viscous fluid to facilitate the flow of sperms to the female genital tract. It consists of fluids secreted from various glands. The seminal vesicles secrete about 70% of the semen. It consists of fructose. The prostrate gland secrete about 20% volume of the semen. The fluid consists of acid phosphatase, and proteolytic enzymes. The bulbourethral gland secretes about 5% of the total volume of semen. It consists of mucoproteins.
The clotting factors or enzymes are absent in semen as these are produced by the blood platelets at the site of injury.
Antipsychotic drug because they are used to treat patients with symptoms of psychosis, delusion, hallucination, confusion, and paranoia.