What two things is scientific thinking based on

Many people try to eliminate fat from their diets. which is one reason it is necessary for humans to eat fat? a. eating fat is the fastest way to get energy. b. fat eliminates triglycerides from the body. c. saturated fats clear out the blood vessels. d. fat nerves transmit signals. , this is for apex in summer school.

What is thought to have caused the mass extinction at the end of the cretaceous period?

Aboy with an extra x chromosome probably has which of the following syndromes?