Answer: Sea snakes have many adaptations. Like for instance, they have paddle-like tails to help swim more efficiently, and a special flap of tissue to prevent water from entering its lungs.
Explanation:
They develop these adaptations for survival purposes.
A hydrometer is an instrument that measures the specific gravity (relative density) of liquids. The ratio of the density of the liquid to the density of water. A hydrometer is usually made of glass, and consists of a cylindrical stem and a bulb weighted with mercury or lead shot to make it float
the Nucleus
Explanation:
Known as the cell's “command center,” the nucleus is a large organelle that stores the cell's DNA (deoxyribonucleic acid). The nucleus controls all of the cell's activities, such as growth and metabolism, using the DNA's genetic information.
When you rub a ballon in your hair.
29. B
30. EXO means your EXporting it out of the cell so the answer would be C