D. In a regimen of two to four drugs
Answer:
Seismographs record seismic waves. They contain a weight and a pen attached to a spring. The seismograph is bolted to the ground so during an earthquake it moves with the ground, whilst the weight and pen remain still. The pen moves across a rotating paper roll recording the seismic waves.
Hope this helped, have a good day
So she says without phosphates, people have to wash or rinse their dishes before they put them in the dishwasher, which wastes water. Or they run their dishwasher twice, which wastes electricity. ... That's what happened with laundry detergents after phosphates were removed from them years ago
