Plant has such a developed structure to protect they have cell wall which give it rigidity and structure and also have cellulose which provide strength
The best choice is uneven heat distribution because If a place has a warm are it has low pressure and if it has a cold area it has high pressure.
Wind moves from areas of high air pressure to low air pressure.
Example: Land Breeze and Sea Breeze.
Th earth has uneven distribution due to different angles of insolation and by earth tilts.
Seedlings And Xylem That’s The Answer
Provision of energy. Fats are a source of energy in the human diet, together with carbohydrates and proteins, the other two main macronutrients.
The answer is the first one.
