Which statement is true about relative dating? Question 15 options: It is the most modern of the dating techniques. It is based on radioactivity analysis. It is based on the position of rock layers. It is based on the half life of carbon-14 atoms.

Afarmer began a new method of reducing grain spills. this reduced the number of mice on the farm. the number of snakes in the surrounding area decreased at the same time. the snakes depended on the mice that lived in the field. what’s the likely reason the snake population decreased? a. the number of snake predators increased. b. the number of mice increased. c. the number of mice decreased. d. the pesticides affected the snakes. e. a new breed of mice moved into the field.

What are the three stages of volcanic activity? a. active, magma, lava c. extinct, eruption, explosive b. eruption, quiet, explosive d. active, dormant, extinct

Which is these sentences can be deleted from the first paragraph sentence 4 sentence 2 sentence 5 sentence 3