<span>There are two major theories that will explain on research on colour vision. They are 1. the trichromatic theory also known as the Young-Helmholtz theory 2. opponent-process theory. These two theories explain processes that operate at different levels of the visual system.</span>
Answer:
the tissue in plants that conducts water and nutrients upwards from the root
<span>Pure water has a pH of 7. Pure water is neutral.</span>
A higher temperature gradient causes faster heat transfer, and thus faster convection currents. If the core were cooler, the temperature gradient would be lower, so the convection currents would likely slow down.
The answer is wind because the wind deposits the large Boulder little by little
