Select the correct answer.
What would likely have happened to Earth if no icy debris had arrived?
A.
It would still have oceans but no atmospheric water.
B.
It would still have atmospheric water but no oceans.
C.
It would have no oceans or atmospheric water.
D.
It would have traces of water beneath its surface.
E.
It would have released water in volcanic outgassing.

One group of reptiles, characterized by the fossil ark metal x

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.

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?