Which of the following statements is an example of absolute time? a. devin is younger than paulo. b. this car is older than that one. c. charlie is exactly six years old today. d. brianna is the oldest of all four children.

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

This is the amino acid cysteine. circle the amine group, put a box aroundthe carboxylic acid group and use a different colored pencil/pen to circle the sidechain (r group). h o | ||nh2— c- c-oh | ch2 | sh

Describe two recent or ongoing space missions.