Jackie is creating a chart that shows where the water is in the hydrosphere. She created a graphic showing that most of Earth's water was salt water and could be found in the oceans,
while only 3% of the water on Earth is fresh water.
Look at the diagram. Most of the freshwater is tied up in one of two different forms. In what
form is 70% of Earth's fresh water found?

What did the first language sound like

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

A60-tooth gear is connected to a 72-tooth gear.if the smaller gear turns 12 times,how many turns does the larger gear make?