The Great Barrier Reef faces environmental disaster due to A. parasites. B. rising sea levels. C. scientific study. D. tourism.

How do you figure out how many neutrons and protons are in each ιѕoтope.

Which animal in the world kill 3000 people per year a. tiger b. stinray c. scorpion d. mosquito

Which layer of the sun can be seen during a solar eclipse and contains jets of rapidly moving gas called spicules? a. core b. corona c. photosphere d. chromosphere

Which term refers to science that can be used to solve problems? A. Biology B. Physical science C. Basic science D. Applied science

The Sun's rays are distributed unevenly over the earth. As a result, a. convection b. conduction c. latent heat d. radiation in the atmosphere causes wind to blow.

After creating a question and forming a hypothesis, what is the next step in the scientific method

Roger sees water balloons fall past his window. He notices that each balloon strikes the sidewalk 0.51 s after passing his window. Roger's room is on the second floor, 10 m above the sidewalk.

Which statements accurately describe the Doppler effect?

Describe how mass and distance affect gravitational force.

a bike can climb the inclined road at uniform speed of 72 km/hr by applying force 500N what will be the power applied by the bike?