Is they are random changes I believe they should be mutations
Answer:
Explanation:
Natural gas is most commonly extracted by drilling vertically from the Earth's surface. .Hydraulic fracturing, horizontal drilling, and acidizing are processes to expand the amount of gas that a well can access, and thus increase its productivity.
They are absorbed in the small intestine, but I am not 100% sure if it is in the beginning or the middle.
Answer:
The answer is the first option. The trailing edge is composed of many filopodia containing tight parallel bundles. These filopodia push trailing edge away from the location it was previously occupying.
Explanation:
Cells migrating in tissues exhibit both filopodia and lamellipodia. These thin protrusive extensions are ideal for exploring and penetrating tissue spaces. They are also well suited for intercalating between cells, such as during the migration of leukocytes across endothelial layers.
Therefore the answer is the first option.
A.) Sunlight
It is not a biotic factor. It is an abiotic factor.
Biotic factors include plants, animals , fungi, algae, and bacteria.
Abiotic factors include sunlight, temperature ,moisture ,wind or water currents , soil type, and nutrient availability.
