Which of the following is an example of chemical change? a.) stirring butter and sugar together b.) adding food coloring to water c.) burning a candle d.) breaking a rock into smaller pieces

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy