Answer: To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight.
Many plants and animals would die off <span>if a nearby volcano erupted and filled the sky with dust particles, which caused significantly less sunlight to reach the ecosystem over the course of a year.</span>
The answer I came up with is Echinoderms and Chordates.
Happy studying!
<span>During the twentieth century, absolute date was added to the relative time scale. </span>Geologic time scale uses both relative and absolute dating techniques. <span>Soon after the discovery of radioactivity, geologists used radioactive isotope decay to develop a method for determining absolute ages of rocks</span>
He thought that they were moons
but it was actually the rings of the planet
