True or false?
3.the bottom of a river channel is called the bank.
4. a single stream always has just one source.
5. moving water slows down when it enters a body of still
6. a river's basin is also called its bed.
7. a divide is the lowest point between two river basins.
8. all lakes have fresh water.
9. sunlight may not be able to reach the bottom of a de
10. the great lakes are volcanic lakes.

Awire-hair terrier and a smooth-hair terrier are mated. the offspring produced are 6 wire-hair puppies and 2 smooth-hair puppies. a. what pattern of inheritance best describes this situation? b. what is the genotype(s) of the wire-haired puppies? of the smooth-haired puppies? c. what would be the expected genotype and phenotype ratios of a mating between 2 wire-haired terriers that are heterozygous?

Which is the graph of the piecewise function f(x)? f(x) = image for option 1 image for option 2 image for option 3 image for option 4

The diagram shows a chicken embryo and a human embryo