Answer:
D. Tap water is one of the three test conditions of the independent variable, the type of water.
Explanation:
An independent variable is the part of a science experiment that is changed. Since you are changing the type of water, the independent variable would be the water. There are 3 types of water in this experiment, meaning the tap water is one of the 3 test conditions of the independent variable.
It is observed that the human population keep increasing significantly and it began to increase noticeably around 10,000 years ago.The greatest factor of this increase is the rapid development of the agricultures in lands, as well as the domestication of animals. These are the reasons why population increases at that time.
This fossil which has apelike shoulders and forelimbs feature is most likely a quadrudepal (walks on both hands and feet). Scientists might call this early hominid the Wish human. It's apelike structure could also indicated that she is a common ancestor to the chimpanzees.
Answer:
i think it is the first one
Explanation:
Answer:Anaerobic respiration is a process in which energy is released from glucose without requiring oxygen. It is less efficient than aerobic respiration as it releases less energy than the energy released inaerobic respiration.
Explanation:
