In active transport carrier proteins are used.
It is called peristalsis movement.
Answer:
C. both
Explanation:
The particle theory and wave theory are both used today.
The particle theory tells us that light is a particle or photon. The wave theory tells us that light travels in waves.
<span>Certain stretching techniques increase blood flow to
your muscles, while other techniques actually restrict blood flow. Stretching
may seem a little not essential. This activity can make more athletic
performance and decrease your risk of injury. Yet, not all stretches are
created equal. </span>
use of a microscope containing improved lenses that could magnify objects almost 300-fold, or 270x. Under these microscopes, Leeuwenhoek <span>found motile objects. </span>
