Answer:
the answer is C because it is true
Answer: The Precambrian Era comprises all of geologic time prior to 600 million years ago.
Explanation: The Precambrian was originally defined as the era that existed before the emergence of life in the Cambrian Period. It is known that life on Earth began by the early Archean and that fossilized organisms became more and more abundant throughout Precambrian time.
In any particular culture, an idea or way of doing things that is common to the culture is called a cultural norm.
Answer:
D. Auscultate lung sounds
Explanation:
find out what it is before you treat
other 3 options are treatments
Auscultate : stethoscope listening to lungs & heart sounds
furosemide is blood pressure medicine
saline is salt water