Explanation

Virus is an ineffective agent that typically consists of a nucleic acid molecule in a protein coat,

is too small to be seen by light microscopy,

and is able to multiply only within the living cells of a host.

Explanation

Reactors use uranium for nuclear fuel.

The uranium is processed into small ceramic pellets and stacked together into sealed metal tubes called fuel rods.

Explanation

The atmosphere is comprised of layers based on temperature. These layers are the

troposphere

stratosphere

mesosphere 

thermosphere

A further region at about 500 km above the Earth's surface is called the exosphere.

Explanation

Nitrogen is the chemical element with the symbol N and atomic number 7. It was first discovered and isolated by Scottish physician Daniel Rutherford in 1772.

Symbol: N

Atomic number: 7

Boiling point: -195.8 °C

Explanation

plants cell have cell wall while animal cell have only cell membrane

Explanation

Aquatic animals may breathe air or extract oxygen that dissolved in water through specialized organs called gills, or directly through the skin.

Explanation

• gasohol, that is a mixture of 90 percentage unleaded gasoline and 10 percentage ethanol (ethyl alcohol). Gasohol burns nicely in gasoline engines and is a perfect opportunity fuel for positive programs due to the renewability of ethanol, which can be made from grains, potatoes.
• a gasoline aggregate of 10% anhydrous ethanol and ninety% gas occasionally called gasohol, can be used within the inner combustion engines of maximum modern-day automobiles and light-duty motors without need for any change at the engine or fuel machine.
• E10 blends are generally rated as being 2 to a few octane numbers better than regular fuel and are authorized to be used in all new U.S. cars, and mandated in a few regions for emissions and different reasons.

Explanation

Angstrom , unit of length used chiefly in measuring wavelengths of light, equal to 10−10 metre, or 0.1 nanometer.

It is named for the 19th-century Swedish physicist Anders Jonas Ångström.

Explanation

A Manometer is a device to measure pressures.

A common simple manometer consists of a U shaped tube of glass filled with some liquid. 

Explanation

An omnivore is an animal that has the ability to eat and survive on both plant and animal matter.