Answer:
aphthous ulcers
Explanation:
I took a medical course so i know :D
PS: thank and nark me brainly plzzz
a because the marble changed its position quickly meaning that it was in motion
A - Herbivores
Carnivores only eat meat, Omnivores eat both, and Herbivores only eat plants.
In ecology<span>, a </span>niche<span> is a term describing the relational position of a </span>species<span> or population in an </span>ecosystem<span>. ... According to the competitive exclusion principle, no two </span>species can<span> occupy the same </span>niche<span> in the same environment for a long time.</span>
Answer:
If the Universe holds enough matter, including dark matter, the combined gravitational attraction of everything will gradually halt this expansion and precipitate the ultimate collapse. Over time, galaxies, then individual stars, will smash into each other more frequently, killing off any life on nearby planets.
Explanation:
