Like you might have studied. Heated hair expands while colder air contracts. So, the sound isn't able to move as efficiently in cold air than it would in warmer air.
Microbes cause tissue damage to their host cell or body in different ways.
1. Microbes can release toxins that can damage the cells and tissues of the host.
2. Microbes can release enzymes that can breakdown the cells and tissues of the host.
3. Microbes can activate certain responses in the host that can make the latter destroy its own tissues. Usually, the immune response of the host cell is disturbed, making the immune system attack the cells of the host itself.
The answer is hypothalamus. The hypothalamus is a bit of the cerebrum that contains various little cores with an assortment of capacities. A standout amongst the most critical elements of the hypothalamus is to interface the sensory system to the endocrine framework by means of the pituitary organ.
The hormones from the hypothalamus represent physiologic capacities, for example, temperature direction, thirst, hunger, rest, inclination, sex drive, and the arrival of different hormones inside the body. This region of the cerebrum houses the pituitary organ and different organs in the body.
Answer:
Polar Covalent Bond
Explanation:
Oxygen Forms Covalent Bonds with Hydrogen atoms and since charge of oxygen atom is slightly higher than the charges of the hydrogen atoms it will be a polar covalent compound