The answer is five I’ll be glad if u give me brainless :)
Answer:
B.
Explanation:
Air takes up space it is just super light therefore it is matter
:)
Answer:
bicuspid and tricuspid valve
Explanation:
Tricuspid valve separates right auricle and ventrical whereas bicuspid separates left auricle and ventrical.
they help by preventing the back flow of the blood by avoiding them to go to the position where they came from.
Bent
Water is a molecular compound consisting of polar molecules that have a bent shape. The oxygen atom acquires a partial negative charge while the hydrogen atom acquires a partial positive charge.
