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.

Explanation

Arteries are blood vessels responsible for carrying oxygen-rich blood away from the heart to the body.

Veins are blood vessels that carry blood low in oxygen from the body back to the heart for reoxygenation.

Explanation

• Hookworm larvae can enter the body via any component that comes in touch with inflamed soil, although most often they penetrate the skin of the feet. within the body, they tour thru the lungs to the gut, in which they'll grow into adults.
• Hookworm larvae are discovered in human feces and transmitted to humans from contaminated soil via the skin, usually because of walking barefoot, or by means of by chance eating contaminated soil.  once in the body, larvae are carried via the bloodstream to the lungs and mouth where they are swallowed, digested and handed to the small gut.

Explanation

• vitamins are a collection of organic compounds that act as catalysts in numerous chemical reactions. The vitamins trigger those reactions and velocity them up. A compound becomes categorized as a nutrition when a loss of it causes disorder.
• opposite to famous perception, vitamins do not without delay offer energy. As catalysts, vitamins are required for the release of energy from protein, fats and carbohydrates. they're crucial for normal increase and improvement and particularly important for the healthy functioning of red blood cells, hormones, genetic substances and the anxious gadget.
• The liver stores vitamin A, D, E, k and B12. the primary 4 of these are all fat soluble. because of this the bile secreted at some point of digestion is essential for absorbing them in order that the body can use them. If bile production is compromised through liver damage, the proper absorption of these vitamins may be affected.