Which one of these is not an example of intercellular communication? a. bacteria share information about nutrients b. ribosomes make protien c. endocrine cells send hormones into blood d. hypothalamus signals pituitary gland asap

How does chemistry affect our world? a. chemicals makes our world more polluted. b. chemicals keeps us healthy. c. chemicals can or hurt our world. d. chemicals make our world safe to live in.

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

What is the ima of the 1 st class lever in the graphic given? 2 3 0.5