When you leave for school it is sunny outside. when you come home from school it is cloudy and raining

is this statement a hypothesis or an observation? explain why.

What does continental drift have to do with plate tectonic theory

What are the possible causes of the presence of glucose in the urine?

Which of the following are examples of science? Mark all that apply. A.) A journalist writes a story about a man who became rich by buying stock on Tuesdays. B.) A woman chooses an item to purchase based on its packaging. C.

The table below shows the density of the crust, the mantle, and the outer and inner core of Earth arranged randomly: Density of Layers Unknown Layer Density (g/cm3) W 2.8 X 13 Y 4.6 Z 10.

Using the data in the table above, which best explains how muscle cells and skin cells are adapted for our environment? Question 2 options: Muscle cells need more mitochondria than skin cells because skin cells require a cell wall.

8. List at least 5 new discoveries about viruses.

The phospholipid molecule has two parts, the polar end and the bipolar end. True or False?

Giraffes use their extremely long necks to reach the lees high up on a case he had trees which other animals can not reach giving them a food source for which they have few competitors what can you conclude about natural selection from this

Which is a reason that many organisms that have existed on earth have left no fossils?

Are all organisms with similar physical characteristics related to one another? If not, why?