Scientists believe that Earth's ozone layer is shrinking because of human activities and air pollution. What effect might this have on Earth's life forms?

What are two reasons why the fit isn't perfect if the continents were once Pangaea?

Which statement describes two factors that have the greatest influence on ocean tides? * O Earth rotates on its axis once each day, and the gravity of the Moon. O Earth rotates on its axis once each year, and the gravity of the Moon.

Explain why clear-cutting is a more destructive method of wood harvesting that selective cutting.

Simone drew a diagram to compare eubacteria and archaebacteria. Eubacteria Archaebacteria O x O Which label belongs in the area marked X? Contain multiple cells Reproduce sexually Live in hot springs Are prokaryotes

True or false: If two organisms are reproductively isolated from one another, they belong to different species.

Whats medical term for state of a fast heart?

The mathematical symbol for period is ОА. Т ОВ. А O co v OD. f

A rock is classified as

Which of the following types of compounds is unlike the other three A - Wax B - Saturated fat C - phospholipid D-polysaccharide

What predictions can researchers make based on the egg viability hypothesis?