How was the Constitution significant in helping African Americans to gain civil rights?

A) Reconstruction-era Presidents passed executive orders guaranteeing equal rights.
B) African Americans challenged laws and customs that violated their constitutional rights.
C) The NAACP wanted to establish an entirely new Constitution to better protect minority rights.
D) President Truman encouraged the public to ignore the Constitution in terms of minority rights.

It's A because past presidents had their say in the constitution and the constitution has rvolved over time granting everyone equal rights.

Explanation:

valentina tereshkova

soviet cosmonaut valentina tereshkova became the first woman to fly to space when she launched on the vostok 6 mission june 16, 1963. valentina tereshkova was the first woman to go into space. in 1963, she spent almost three days in space and orbited earth 48 times in her space capsule, vostok 6.jan 22, 2018

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.