Astronomy has emerged as a science in the past two hundred years. true false

If an environment changes what must a spices do to survive

3. Which of the following land biomes is correctly matched to its characteristic abiotic factors? a.) boreal forest-hot, wet, humid b.) grassland-dry, hot days, cold nights c.) deciduous forest-moderate temperatures and rainfall d.

According to Newton's first law of motion, what will an object in motion do when no external force acts on it?

A shock wave first forms when an object ___ the speed of sound.

A mass accelerates uniformly when the resultant force on it is?

Are cosmic rays and gamma rays invisible or do they have color?

What element has the lowest electronegavity?

Identify two different ways you can make a yellow spotlight for a theater stage

Ian walks 2 km to his best friend's house, then walks 0.5 km to the library. He then makes a 2.5 km walk home. The entire walk took him 3 hours. What is his average speed in km/h? SHOW YOUR WORK!

What would happen if earth gravity suddenly disappeared?