When a animal changes their body over long periods of time with mating with other species to develop different characteristics.
<span>The organic chemicals that help
cell membranes to conserve internal fluids are the phospholipids. They are
composed of fatty acid, glycerol, phosphate group and a polar molecule. The phosphate
group and polar head region of the phospholipids is attracted to water while
the fatty acid is repelled by water. They are a major component of the cell
membrane in which it encloses the organelles of the cell. It also limits what
enters and exits the cell because of its two heads.</span>
Mars<span> was </span>discovered<span> by visual observation without instruments. The first mention of observations of </span>Mars<span> occurred in ancient Egyptian records dating back thousands of years. In 1610, Galileo Galilei was the first person to observe </span>Mars<span> through a telescope. hope that helped</span>
1. Crude oil is a light oil and is volatile. That's what makes it evaporate very fast.
2. They measure it's Reserve-to-production ration or R/P.
you may want to check ur tutorials again