biogology
what Is biology
Biology is the natural science that studies life and living organisms
H
Hydrogen
what is a crumple zone
a part of a motor vehicle, especially the extreme front and rear, designed to crumple easily in a crash and absorb the main force of an impact
He
Helium
what is phyics
Physics is the natural science that studies matter and its motion and behavior through space and time and that studies the related entities of energy and force
Li
Lithuim
why does a boomerang come back
The wings of a boomerang are designed to generate lift as they spin through the air,” Esser said. “This is due to the wings' airfoil shape, their angle of attack and the possible addition of beveling on the underside of the wings.”
Be
Berelium
B
Boron