Burning a candle is a chemical change. What is the primary evidence that burning the candle is a chemical reaction?

Earth and the other spinning objects spin around a line called a rotation axis true or false

After stranuous exercise sore muscles can often occur because of? -a stretching of the muscle tissue -too much oxygen in the blood -a build up of lactic acid in the tissues -too much glucose in the blood

All the following are found in both plant and animal cells, except?

What is cell division at work

How does Snapping Turtle get Oxygen while hibernating underwater?

Which of the following statements about maltose are correct? 1. it is formed from two monosaccharide molecules of the same type 2. it is soluble in water 3. it is a reducing sugar

How do cells store energy

Students planted 100 seeds in two different plots of land on the same day. Both plots of land measured 10 square meters. They recorded data for one year.

Qual a função do estômago?

Which example best describes one way that humans contribute to the water cycle? A. formation of genetic material B. evaporation of sweat from skin C. production of oxygen D. fixation of nitrogen into ammonia