If the producer levelcontains 100.000 Joules of energy How much energy will be available at the secondary level? A.100,000 J
B.10,000 J
C.1,000 J
D.100 J

Which of the following statements is true? 1. the mantle of the earth is made of solid nickel and iron. 2. the crust of the earth is made of solid nickel and iron. 3. the inner core is made of solid nickel and iron.

(amoeba sisters video recap: pedigrees and need

Brendan made a diagram to compare and contrast the benefits of two types of social behavior. which description belongs in the area marked "z"? reproductionprotectionforaginghydrodynamic efficiency