Argon 0.93 percent
carbon dioxide 0.038 percent
A scientific theory can be made by testing something.
Answer and Explanation:

<em>Q.Which of these instruments is listed with the wrong type of lens that it uses?</em>
<em>→ A.telescope, convex
</em>
<em>→ B.camera, convex
</em>
<em>→ C.flashlight, concave
</em>
<em>→ D.microscope, concave</em>
<em />
<em>→ </em>
<em />
<em />
<em />
<em> </em>
<em />
<em />
<em>Hope this helped you!</em>
What is the species name of a frog that is between 1.5 and 6 inches long, has warts on its skin, and has a triangular mark between its eyes?
A.
Bufo boreas
B.
Acris crepitans
C.
Litoria caerulea
D.
Pseudacris crucifer
-->Acris Crepitans is the correct answer.