Atmosphere is the combination of gases and plants make the atmosphere clean if plants were killed then it is impossible to live any more in the world.
Phospholipids are a class of lipids that contain a phosphorus atom. They are structural components in cell membranes. They have an amphiphilic ( having both hydrophobic and hydrophilic) characteristic and thus they can form a lipid bilayer. Their structure consists of two hydrophobic fatty acid "tails" and a hydrophilic "head" consisting of a phosphate group.
I believe it is A, I’m torn between A and D but I’m not sure.
Cultural practices contributes the most to environmental pollution because <span>by making a fire produces the smoke which pollutes the air , that how culture practices contribute to air pollution.</span>