Population density is calculated by . a. dividing the number of organisms in a region by the land area b. multiplying the number of organisms in a region by the land area c. dividing the land area by the number of organisms in the region d. by subtracting the land area from the number of organisms in a region Please select the best answer from the choices provided A B C D

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.

Why are gold and platinum used for jewelry

Earth takes in thermal energy from the sun in a process called . sunlight strikes earth’s surface at different angles. this angle is called the angle of . btw its