Iridium (Ir) is a rare element on Earth, but common in asteroids
volcanoes
the oceans
icy comets

How do tides affect the organisms living in intertidal zones? a. no organisms live in intertidal zones due to the tumultuous environment. b. the mechanical forces of the waves keeps the organisms clean. c. only plants live in intertidal zones because the animals float away with the waves and never return. d. the mechanical forces of the waves can dislodge the organisms from their habitat.

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?