Which statement describes a source of a new genetic variation in a species? A. Predation causes the size of a population to decrease.
B. A mutation produces a new genetic trait.
C. Lifelong learning causes organisms to change their behavior.
D. Asexual reproduction produces a very large number of offspring.

For the strategies below, decide whether they are best described as demand-side solutions or supply-side solutions to meeting human needs for fresh water. remember that a demand-side solution reduces demand for fresh water, whereas a supply-side solution increases the supply of fresh water. (a) damming a river to create a reservoir (b) desalinating seawater (c) a nation invading a neighboring country to access their rivers (d) raising water prices for consumers and businesses (e) providing tax breaks for companies that use less water (f) replacing inefficient irrigation with more-efficient drip irrigation to grow crops (g) requiring low-flow showerheads in all new homes

"your temperature analysis reveals a pattern with coldest temperatures located to the portion of the map."

Hairs that clean dirt out of the air in your nasal passages are called: a. sinus b. trachea c. cilia d. mucus