Why is there limited vegetation in the tundra?
a.
the soil is frozen and devoid of nutrients.
b.
there is frequent flooding and the soil is nutrient-poor.
c.
there is frequent flooding and the soil is nutrient-rich.
d.
the soil is frozen and contains pockets rich in nutrients.

The diagram below shows an ornithiscian dinosaur, an ancient bird called archaeopteryx, and the modern day bird. based on the diagram, which of these statements is most likely correct? (2 points) modern day birds have evolved from dinosaurs. archaeopteryx has evolved from modern day birds. ornithiscian dinosaurs had evolved from modern day birds. ornithiscian dinosaurs had evolved from the archaeopteryx.

Which of the following best describes asbestosis?

Crisis in rivalries between the serbs, croatians and muslims has been going on for centuries and only intensified during the 1990s when non-communist rulers were elected