Which best describes what is required for any sound wave to travel?

empty space

any medium

solid

liquid

What type of pressure is exerted when a plant recovers from wilting?

What are the 4 major types of organic molecules

a parent and two offspring are studied. although there are many similarities between the parent and the offspring, there are also some differences. do these organisms reproduce sexually or asexually?

Eukaryotic cells and prokaryotic cells have some parts in common. Which of the following parts would you find in both types of cells

Which best describes adaptive radiation? A. Geographical isolation caused by an adaptation B. Adaptations that organisms teach each other C. A decrease in the rate of speciation D. Biodiversity resulting from few ancestors

What's the purpose of the pH scale

4. The Sun and stars do not move. True False

In which part of a coal-burning power plant is the coal actually burned? boiler condenser pulverizer

What type of cell does mitosis produce?

What do ribosomes do? a. making ATP energy b. making proteins