What happened when the boy dropped the lighted match

Which of the following is true about animals? A. All animals are single-celled. B. All animals have complex organ systems. C. All animals are consumers. D. All animals are producers.

WHat type of carbohydrate does rice have

Why do the temperatures and weather NOT change constantly in response to the changing position of the earth in relation to the sun?

After cell division, each daughter cell a. has more DNA in its nucleus than the parent cell. b. has a higher surface area/volume ratio than the parent cell. c. has a lower surface area/volume ratio than the pare

What can we learn about evolution from fossils?

Typhoid fever is caused by bacteria in contaminated food or drink. In 1903, an outbreak of typhoid fever in Ithaca, New York, killed almost 80 people. In addition, more than 1,000 Ithaca residents became sick with the disease.

Explain why multicellular organisms require a ventilation system? include reasons on surface area to volume ratio cells depp within the body and number of cells

After teaching a group of students about the standard childhood immunizations given today, the instructor determines that the students need additional teaching when they identify which as a common disease for which immunizations are given?

Around a pond, there is a small population of turtles. Some of them have solid dark brown shells and some of them have yellow and brown shells with yellow spots. Spotted shells are dominant over solid shells.

Catharine beecher believe that woman should spend their energy