Eric is creating a timeline of the formation of the solar system. which sequence best describes the formation of the solar system? a. solar nebula; protostellar disk; nuclear fusion; planetesimals; planets; sun b. protostellar disk; nuclear fusion; sun; solar nebula; planetesimals; planets c. solar nebula; protostellar disk; nuclear fusion; sun; planetesimals; planets d. solar nebula; nuclear fusion; sun; planets; planetesimals; protostellar disk plz

An insurance company wants to know if the average speed at which men drive cars is higher than that of women drivers. the company took a random sample of 27 cars driven by men on a highway and found the mean speed to be 72 miles per hour with a standard deviation of 2.2 miles per hour. another sample of 18 cars driven by women on the same highway gave a mean speed of 68 miles per hour with a standard deviation of 2.5 miles per hour. assume that the speeds at which all men and all women drive cars on this highway are both approximately normally distributed with unknown and unequal population standard deviations.

Which of the following correctly describes the early view of catastrophism?

Crowbar of 5 metre is used to lift an object of 800 metre if the effort arm is 200cm calculate the force applied