Calculus, im lost, not sure how to start with this
questions 1 and 2 specifically

The answer to this is check all of themi hope this !

The earth's inner core is the earth's innermost part. it is primarily a solid ball with a radius of about 1,220 km (760 miles), which is about 70% of the moon's radius.[1][2] it is composed of an iron–nickel alloy and some light elements. the temperature at the inner core's surface is approximately 5,700 k (5,430 °c), which is about the temperature at the surface of the sun. 

The answer is "gesture and body language mostly  your verbal interaction".


gesture and boy language refers to a form of non-verbal communication, in which obvious substantial activities impart specific messages, either set up of, or in conjunction with, discourse. gestures incorporate development of the hands, confront, or different parts of the body. body language is physical conduct, instead of words, are utilized to express or pass on data. such conduct incorporates outward appearances, body act, signals, eye development, touch and the utilization of room.