What is the main difference between producers and consumers? A. Producers make their own energy, while consumers must eat other things for energy.
B. Producers absorb energy from other organisms, while consumers get their energy from the sun.
C. Producers absorb energy from other organisms, while consumers must eat other organisms for energy.
D. Producers get their energy from the sun, while consumers absorb nutrients obtained from decomposing dead organisms.

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The answer is A.

Explanation:

Producers make their own energy, whereas consumers eat other things for energy.

alkaline metals are lithium, sodium, rubidium, potassium, cesium and francium.

alkali metals have electronegativity from 0.7 to 1, lowest in periodic table of elements, which means that alkali metals (i group in periodic table) has positive oxidation number in compounds.

electronegativity is a chemical property that describes the tendency of an atom to attract a shared pair of electrons towards itself.

alkaline metals (far left in main group) have lowest ionizations energy and easy remove valence electrons,

for example, potassium is the alkali metal and has a single valence electron in the outer electron shell.

electron configuration of potassium is: ₁₉k 1s²2s²2p⁶3s²3p⁶4s¹.

they can not exist alone in nature, because they are very reactive.

it would be d. henry moseley

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