Once your body is accustomed to a the real version has a much harder time replicating itself in your system. a. vaccine b. parasite c. pathogen d. bacterium

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

Iwill mark brainliest and all that sha-bang. what is the function of the endocrine system? a. control longer term response in the body. b. transmit messages throughout the body. c. remove waste from the body. d. all of the above

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a. an ionic bond is formed between the oxygen and carbon atoms. b. four valence electrons are shared. c. two valence electrons are shared. d. valence electrons are shared between oxygen atoms.