4. Students are studying how the positions of Earth and the Sun effect changes on Earth. After four seasons have passed on Earth, which has happened?
a. Earth has completed one rotation around the Moon
b. Earth has completed one revolution around the Sun.
C. The sun has completed one revolution around the Earth
d. The moon has completed one revolution around Farth

Heat flow inside earth activity i chose chemistry cause there is no science alert! the newspaper has been hacked, and all of the headlines have been changed to reflect old legends. it is your task to make sure they are corrected. choose one of the newspaper headlines. you will rewrite the headline and a one-to-two-paragraph article to make the news scientifically correct. be sure to include the following in your corrected newspaper article: new title reflecting correct information detailed information about the processes and tectonic plate interactions that are causing the geological event to occur real-world example of where to find the geological event on earth (picture and location) also review the grading rubric before you begin.

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry

What is formed when amino acids form long chains or polymerize