Tabacco is a)created in labratories
b)obtained from plants
c)an animal by product
d) free of harmful componets​

Consider the diagram below, which represents components of the biosphere. what do the two arrows in the diagram most likely represent? a. radiation b. photosynthesis c. cellular respiration d. energy conversions will give to anyone who answers quickly

“in 1492 columbus sailed the ocean blue” is an example of: a)explicit memory b) procedural memory c) semantic memory d)episodic memory

Which process in respiration happens first? a)pyruvate processing b)electron transport chain c)krebs cycle d)glycolysis