Questions

We know that the circulatory system of our body is a loop. The Heart is the pump, the arteries and their smaller branches (arterioles) carry oxygen rich blood all through your body tissues from the heart and the veins and their smaller branches (venules) carry oxygen depleted blood and waste products back to the heart from all the body parts.

The first step is to disarm and secure detainees when supervising detainee operations.

Humidity means the amount of watervapour present in the atmosphere. It depends on weather, location and temperature of the place.

Metamorphism is the method of changing the structure of a rock by using heat and temperature.

Hence, for this to happen the parent rock must be in solid form only. Therefore, option C) is true.

An electric fuse is based on the heating effect of the current.

When moon's orbit is closest to earth is called as Perigee.

The distance between the Moon and Earth varies throughout the month and the year since the moon's orbit around the earth is elliptical. The distance is about 382,900 kilometers from the Moon's center to the center of Earth.

Hence, the point on the Moon's orbit closest to Earth is called the perigee.

In general, polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar solutes.
As water molecules are polar, polar molecules dissolves in water.