Giải hộ vs ạ tui cảm ơn

What is the name for the remnant of an asymptotic giant that has lost its shells? black dwarf white dwarf yellow giant black hole

Aball of mass 0.3kg is released from rest at a height of 8m. how fast is it going when it hits the ground? accleration due to gravity is g=9.8m/s

The researcher who studied the ability of cats to learn to escape from puzzle boxes was