Zpoints which of the following elements has the smallest first ionization energy? o a. rb ов. o c. na od. li

What must happen before a body cell can begin mitotic cell division

What state of matter is ice a. liquid b. element c. solid d. gas

Which of the following involves only abiotic factors? a. a large rock being weathered by wind and rain b. an otter using a stone to break open a sea urchin c. a spider building a web in the corner of a building d. a pine tree absorbing light from the sun