Feathers are modified as scales. According to the history, birds which have feathers are the descendants of the dinosaurs which have scales.
That's why feathers are categorized as scales in the present record according to studies. <span />
Carbon dioxide concentrations are expected to increase, because fossil fuel burning is expected to increase, because of an increase in agriculture and because more land will have to be cleared for increasing populations and agricultural use.
Answer by Mimiwhatsup: Divergent Boundaries. Tectonic plates will slowly move away from the other, the heat from the mantles convection current will crust the plastic making it much way less dense and the less dense material will rise up and will often form a mountain or elevated area of the seafloor.
Answer:
cells
Explanation:
cells are the smallest unit that can carry life
Uterus<span>Once girls become sexually mature, the outer labia and the mons pubis are covered by pubic hair. A female's internal reproductive organs are the vagina, uterus,fallopian tubes, and ovaries. The vagina is a muscular, hollow tube that extends from the vaginal opening to the <span>uterus</span></span>