Which of these groups of animals are extinct?

1] polarbears

2] killer whales

3] dinosaurs

4] sea turtles

Winds in our atmosphere are created as a result of which of the following processes? A. Energy that is absorbed in the atmosphere B. Gravitational attraction from the moon C. Density of the air particles in the atmosphere D.

Blood in urine can be a sign of kidney damage. Why is blood not usually found in the urine of a healthy person?

What is the name given to the experimental apparatus for generating electricity?

Which processes happen in the kidney? Select three options. A) production of urine B) storage of urine C) production of enzymes that break down food D) filtration of waste material from blood E) reabsorption of sugar and water

What goes into a reaction and comes out of a reaction?

A restriction enzyme is that complete the sentence

Types of volcanic mountains in terms of shape, type of eruption, and the minerals that make up the volcano

Australopithecines were the ancestors of monkeys. A. True B. False

A mutation that causes a human have 11 toes is (neutral, harmful, or beneficial.)

Cells of a fungus and an animal