Why is cryptozoology not considered a true science

Is a self-duplicating virus that does not alter files but resides in active memory and reproduces itself?

Immunisation protects the body against some diseases. What happens in our blood when we re-encounter the microorganisms against which we have been immunised?

Which veins lead directly back into the superior and inferior vena cava?

Why are atoms neutral despite having charged particles?

Which of the following statements is true of hyponatremia? a. It is a condition characterized by low blood potassium concentration. b. It occurs as a result of zinc deficiency and often leads to serious heart problems. c.

True or false? bupropion is an antidepressant medication that is useful as a smoking cessation aid.

A new island forms due to an underwater volcano. Birds from the mainland colonized the island. This is an example of a. Behavioral isolation b. Reproductive isolation c. Geographic isolation

What is the differences between prokaryotic and eukaryotic ... ?

A finger-like projection of the cell membrane and cytoplasm use to catch food and/or move (false-foot)

Who was one of the first scientist to use numbers to look for patterns in experimental data