Will mark BRAINLEST Look at the energy pyramid above. If the producers have 7000 kcal of energy, how much energy will be available for the Sheephead ?

Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.