The speed of light is about 3. 0×105 km/sec. How many seconds approximately does light take to travel from the sun to jupiter?.

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

Scientists observed a rock stratum and discovered some fossils. the image shows the fossils they discovered. what can you interpret from the image? an illustration showing layers rock with fossils embedded in some rock layers1. the dinosaur and the mammoth existed after the trilobites.2. the dinosaur and the armored fish existed before the trilobites.3. the trilobites and the armored fish died before the dinosaur.4. the trilobites and the armored fish were born after the dinosaur.5. the early mammoth is older than the trilobites.

What are the two main purposes of edgar allen poe’s, “the masque of the red death? ”