What is one central idea of I Know Why the Caged Bird Sings?

People without much education can be as wise as well-educated people.

There is no sense dreaming about the future when you are unhappy.

Marguerite did well when her mother sent her to live with her grandmother.

The author grew up to become a success in several fields.

Explanation: Maya goes facing the beguiling effects of bias and segregation in America at a very young age. She masks that reasonable hair is dazzling and that she is a fat dull youngster trapped in a terrible dream.  

Stamps, Arkansas is totally disconnected as an adolescent Maya doesn't actually acknowledge that white people exist. As Maya gets more prepared, she is faced by progressively obvious and singular events of bias, for instance, a white speaker's stooping location at her eighth-grade graduation, her white boss' accentuation on calling her Mary, and a white dental authority's refusal to treat her.  

The criticalness of Joe Louis' enormous standoff battle to the dim organization reveals the lack of transparently apparent African American holy people. It in like manner shows the wild eyed thought of the dim organization's guarantee for vindication through the athletic victory of one man.  

These outlandish social substances keep and trash Maya and her family members. She comes to sort out how the loads of living in a totally dogmatist society have altogether formed the personality of her family members, and she tries to overcome them.

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.

yes

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