If the Earth's axis tilted 45 degrees instead of the current 23.5 degrees, the seasons would be far more pronounced than they are, and the poles would be warmer overall. ... An axial tilt of 45 degrees would bring more heat to bear on the hemisphere facing the sun.
C : <span>Electron microscopes use a beam of electrons instead of light to magnify images</span>
The smallest level of organization in the human body is the cell
Ecosystem. it is defined as a biological community of interacting organism and their physical environment.
Robert hooke coined the term cell when studying thin slices of cork. these Dead
Plant Cells were the first cells observed because the thick cells.
