Explanation

Answer:

 B

The density of sea water is highest as depth increase and salinity increase.

Explanation

Rabies is a deadly neurologic disease caused by a virus that spreads primarily through bites of infected animals.

Explanation

The element of an electric stove made nicrome.

Nichrome 80/20 is an ideal material, because it has relatively high resistance and forms an adherent layer of chromium oxide when it is heated for the first time.

Explanation

 Electric lines of force are always diverging from positive charge and they converge at a negative charge.

Explanation

Braun was a German-born American aerospace engineer and space architect. 

Explanation

 Allen Shepherd became the first American to travel into space in 1961, and in 1971, he walked on the Moon.

Explanation

Answer

C

The liver performs a relevant FUNCTION in retaining blood glucose levels. Following intake of food, extra glucose may be saved in the liver as glycogen . This is inspired through insulin release.

Explanation

The fundamental units in the SI (International System of Units) are:

1. The meter (m) for length,
2. The kilogram (kg) for mass,
3. The second (s) for time,
4. The ampere (A) for electric current,
5. The kelvin (K) for thermodynamic temperature,
6. The mole (mol) for the amount of substance, 
7. The candela (cd) for luminous intensity.

These seven base units are independent and form the foundation of the SI system, from which all other units are derived. 

Explanation

A hygrometer is an instrument used to measure relative humidity.

Humidity is the measure of the amount of moisture in the air.

A psychrometer is an example of a hygrometer.

Explanation

Periscopes allow a submarine, when submerged at a relatively shallow depth, to search visually for nearby targets and threats on the surface of the water and in the air.

When not in use, a submarine's periscope retracts into the hull.