What is the weight, on earth, of a book with a mass of 1.5 kg?

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

What kind of bond is created by the attraction between atomic particles of opposite charge? ionic bond hydrogen bond covalent bond nuclear bond