What is found in the cyrosphere?

a. only frozen soil known as permafrost

b. only frozen water at the polar caps

c. most of earth’s freshwater

d. mostly seawater from earth’s ocean

What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because

Which short-term environmental change is most likely to lead to ground shifting, landslides, and the collapse of buildings or roads? forest fires flooding earthquakes