There are 4 states of matter : plasma, liquid, gas and solid.
Answer:
Oxygen atoms contain 16 times more mass than Hydrogen atoms.
(a brainliest would be appreciated)
Henry observed the aquatic life in the pond, but also the
trees, vegetation, and animal’s species on land. The diversity observed by
henry is ecological diversity. Ecological diversity is the variation in the
ecosystems found in a region or the variation in ecosystems over the whole
planet. Ecological diversity includes the variation in both terrestrial and
aquatic ecosystems.
