Answer:
Hadean, Archean, and Proterozoic Eons are currently all lumped together and they are all called/referred to as the Precambrian
I think the answer is "steroid."
Explanation:
The speed of sound depends on the elasticity and density of the medium through which it is traveling. In general, sound travels faster in liquids than in gases and faster in solids than in liquids. The greater the elasticity and the lower the density, the faster sound travels in a medium.
Three ways scientists base their identifications of evolutionary relationships are:
1. Does not take genetics into account.
2. Does not consider convergent evolution.
3. Physical similarities does not mean that they are related.
Evlutionary relationships talks about relatedness between organisms, usually this can be shown by a phylogenetic tree through phylogeny. Reconnection and speciation of organisms must be considered in studying relatedness of organisms.
Answer:
A this is a true statement
Explanation: