Heating chemical substances C the rate of the reaction between them. This change in the rate is partly accounted for by D transferred from the surroundings to the particles involved, which causes the particles to E more quickly. Complete the empty spaces.

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering

Maya wrote if you step to describe how carbon circulates between the atmosphere and living organisms