Please help :) Will mark brainliest. Fill the blanks please.

Which branches of natural science include the study of an organism that lived 10 million years ago

Awoman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. the book has a mass of m = 1.8 kg and the coefficient of static friction between her hand and the book is μs = 0.67. no attempt 50% part (a) what is the weight of the book, fgb in newtons?

How many neutrons does element x if it’s atomic number is 28 and its mass number is 87