Answer:
Freezing rain comes when the cold layer is small. This doesn't allow the raindrops to fully freeze before hitting the ground. Sleet forms when there is enough time for the raindrops to freeze completely before hitting the ground
Explanation:
Sleet is already half-frozen, while freezing rain is icey cold and freezes when it hits the ground
Answer:
What makes us human the most is our self-awareness and the ability of philosophical thought.
We understand we exist on Earth and wonder why the sky is blue, which is a trait no other species possesses.
Explanation:
Orangutans, chimpanzees, gorillas, bottlenose dolphins, elephants, orcas and bonobos all have self-awareness. But still don't wonder why the sky is blue.
Animals were seen capable of doing all the other factors.
D: The cell is the basic unit of structure and organization in organisms. Explanation: cause I got the question right.
Answer;
-PET scan
A PET scan uses radioactive markers in the blood to monitor blood flow and metabolic activity via x-ray
Explanation;
-A positron emission tomography (PET) scan is an imaging test that helps reveal how the tissues and organs are functioning. A PET scan uses a radioactive drug (tracer) to show this activity. This scan can sometimes detect disease before it shows up on other imaging tests.
-A PET scan is used to diagnose certain health conditions, to plan treatment, to find out how an existing condition is developing, and to see how effective a treatment is.
-In a PET scan, a machine detects radiation that is emitted by a radiotracer. A radiotracer consists of radioactive material that is tagged to a natural chemical, such as glucose.
A geologist studies rocks and such
