Coughing up thick mucus is a symptom of which of these conditions?

a) croup

b) pneumonia

c) laryngitis

d) bronchitis

If a triangle has 2 80 degree angles what degree will the third angle be?

In central and west africa, the main threat to species such as the elephant, rhinoceros, and mountain gorilla, is

What is a consequence of increased livestock production? introduction of non-native species endangerment and extinction of species conversion of forests to grazing lands loss of biodiversity

Surface currents are caused by friction between which two elements? a. the ocean surface and wind b. warm air fronts and cold air fronts c. the ocean surface and deep ocean waters d. northern currents and southern currents

True or false Proschan's goal was to create a gum that had a better texture than easier to chew.

Which conditions contributes to Brazil's poverty

A food product that has to be important to

Scientists infer that oxygen in Earth's atmosphere did not exist in large quantities until after (1) the first multicellular, soft-bodied marine organisms appeared on Earth (2) the initial opening of the Atlantic Ocean (3) the first sexually

Tree growth is hindered in tundra regions due to low temperatures and short growing seasons. True or False?

Surface water is deep-ocean water. true or false.