Answer:
Physical change means that only the form / shape of the substance is changed , not the chemical properties. So here, cutting of paper is a physical change since it's shape is changed but the chemical properties remain the same.
Because the amount of precipitation is equal to the amount of evapotranspiration and runoff.
Answer:
Humans
Explanation:
Humans are bigger than most beings and some people are extremely obese.
Answer:
Unlike the one-way flow of energy, matter is recycled within and between ecosystems.
Explanation:
Answer:
Cellular respiration is related to breathing because breathing provides compulsory oxygen for the process of cellular respiration to happen and cellular respiration is a process where cells obtain energy. In time of inhalation, the oxygen molecules are necessary for cellular respiration. During the exhalation process, the CO₂ that is produced by cellular respiration leaves the body via nose or mouth. Breathing and cellular respiration are critically important because without either one of the processes, the other cannot take place
Explanation:
