A satellite is cruising in a stable orbit around earth at a constant speed. Is the satellite accelerating? In 1-2 sentences, explain why or why not. Pls help need asap!

Shania is trying to determine the oldest geologic unit on this map and the reason to why is she unable to do so is that  the units are all the same age.. when there is the same age, there will be no oldest geologic unit and that i cannot be credible.

Each student aligns the edge of the object with the left edge of the ruler as shown above. all four students read the ruler with a measurement of 4.6 cm. which statement describes the data they collect? i believe the answer is: the data have poor precision and poor accuracy because of a systematic error.

D. the index of refraction of the second medium is lower.