Which of the following represents a balanced equation? A. 3C3H8 +502 + 3C02 + 9H20
B.3C3H8 + 402 + 3C02 + 9H20
C. C3Hg + 502 - 3CO2 + 4H20
D. C3H3 + 402 - 3C02 + 4H20

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Which characteristics must an object possess in order to be considered alive?

Follow the directions for self-quiz question 8, draw it, by labeling the appropriate structures with these terms, drawing lines or brackets as needed: chromosome (label as replicated or unreplicated), centromere, kinetochore, sister chromatids, nonsister chromatids, homologous pair, homologs, chiasma, sister chromatid, cohesion