Car A has a mass of 1,200 kg and is traveling at a rate of 22 km/hr. Car B has a mass of 1,200 kg and is traveling in the same direction at 25 km/hr. Which of the following statements is true?​

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.

Do plant cells perform cellular respiration?

During photosynthesis, hydrogen ions are most directly used to in the chloroplast pictured above. a) make glucose b) make chlorophyll c) produce carbon dioxide d) drive the production of atp