If a star were 2 light years away, how far is it?

2 trillion kilometers

11.76 trillion kilometers

18.92 trillion kilometers

18.92 kilometers

Wich factor allows earth to hold onto liquid water

Stars of average mass, such as our sun, undergo fusion. what is the most massive element that can result from this process

Why is "coral gardening" a misleading term?

Which of the following is NOT true regarding Echinoderms? A. They are marine animals. B. They can perform ecdysis. C. The display pentaradial symmetry. D. They have an internal skeleton.

Which of the following leaf tissues absorbs sunlight? a. epidermis b. spongy mesophyll c. palisade mesophyll

Match the staining techniques with their purpose. A Negative stain such as India ink or Congo red. B The Gram stain C The Ziehl-Neelsen Acid-fast stain D Simple stain with a basic dye E The Schaeffer-Fulton Endospore stain Stain microbes a bright

Sandy puts a paper clip on the table and puts a magnet near the paper clip. The paper clip begins to move. What type of forces are acting on the paper clip?

Which statement is an example of absolute age? 1) Dinosaurs lived a long time ago 2) Trilobites lives before dinosaurs 3) Teachers are old 4) Dinosaurs went extinct 65.5 million years ago

Identify the structure in the cell that will produce atp from the starch building blocks

True or false: plant cell cytokinesis is different from animal cell cytokinesis because the contractile filaments found in plant cells are structures composed of carbohydrates and the cleavage furrow in animal cells is composed of contractile