Answer:
Trees and plants.
Explanation:
Trees give us oxygen and plants get rid of carbon dioxide and remake it as oxygen.
The positioning of the body where are major body parts are flexed is called the fetal position. In this position the back is arched forward and arms and legs are drawn closer to the torso and the head bowed. It is called this because this is the position the fetus is in as it develops in the womb.
The process that is detailed here, is knows as the Adrenaline Process, Or (Adrenaline). Adrenaline gives the body an extra boost of energy when in a hurry, in shock, or scared.
look up the water cycle
Explanation:
it will show u what u need to know