What is the primary source of energy for food chains in an ecosystem

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.

Which image shows labeled organelles that are present only in plant cells?