The earth equator since all the rays coming from the sun are perpendicular to the equator rather than the restaurants of the Earth.
Answer:
The swim bladder is located in the body cavity and is derived from an outpocketing of the digestive tube. It contains gas (usually oxygen) and functions as a hydrostatic, or ballast, organ, enabling the fish to maintain its depth without floating upward or sinking.
Explanation:
Answer:
To measure motion, you must be able to compare it to a reference point, or a non moving point.
No; some mice may have developed lung cancer in less than 500 days of cigarette smoke exposure.
Biologists do not fully understand DNA because there are constant changes and new discoveries developing.
