A.
Commuters drive personal vehicles to their places of work: offices, manufacturing plants etc.
Some may use car pooling or mass transit like buses. But too many want the luxury and convenience of coming and going on their own terms.
IMHO car pooling and mass transit needs to be used more to reduce environmental harm.
The main function of the smooth ER is to make hormones and lipids.
Answer:
There are many ways scientists can gather evidence to learn about Earth's interior including direct evidence from rock samples and indirect evidence from seismic waves.
also
1. Seismic waves and earthquakes
2. Volcanoes
3. Principles of density
4. Earth is magnetic
Explanation: