The diagram shows a model of an ecosystem. Stack of four blocks, with the largest block on the bottom of the stack and the smallest on the top. The first and largest box is labeled 100% and is titled Primary producers. The second box is labeled 10% and is titled First-level Consumers. The third box is labeled 1% and is titled Second-level Consumers. The fourth and smallest box is labeled 0.1% and is titled Third-level Consumers.

What does the model represent?
A. the total biomass in each trophic level
B. the total amount of energy in the ecosystem
C. the relative amount of energy available at each trophic level
D. the conservation of energy as energy transfers between organisms

Getting out of bed is the first goal i tackle each day. 2several small goals are achieved by me as the day progresses. 3when i am riding the bus home or walking the dog, i think about the bigger goals i have for my life. which statement correctly describes the verb tense, aspect, and voice in this paragraph? a.sentences 1 and 2 contain present progressive verbs. sentence 3 contains both present progressive and simple present verbs. sentence 2 uses passive voice. b.sentences 1 and 2 contain simple present verbs. sentence 3 contains present progressive verbs. all three sentences use active voice. c.sentences 1 and 2 contain present progressive verbs. sentence 3 contains simple present verbs. all three sentences use active voice. d.sentences 1 and 2 contain simple present verbs. sentence 3 contains both present progressive and simple present verbs. sentence 2 uses passive voice.

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f

Explain how light energy is turned into chemical energy? ! due tomorrow!