Toxins are poisons manufactured in laboratories true or false

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary