3 different difficulties scientists will face when solving we protect the arctic habitat of polar bears from climate change?

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.

What molecule contains an organisms genetic material, passed down from parents to their offspring

What are the three different shapes, or structures, of carbon-based molecules