Select the correct answer. The motion of a car on a position-time graph is represented with a horizontal line. What does this indicate about the car's motion?
ОА. .
It's not moving.
OB.
Ос.
It's moving at a constant speed.
It's moving at a constant velocity.
It's speeding up.
OD.

The following image is of a diatom. it lives in water and gets food from photosynthesis. it is encased in a hard shell made of something similar to glass or sand . a diatom is a(n) because it has a) multi-celled organism; specialized parts. b) vertebrate; a skeleton. c) insect; an exoskeleton. d) single-called organism; only one cell.

Sampling lake water for microscopic organisms is not as easy as it sounds when you want to both count and identify species. in a given water sample, your bacteria of choice can be rare or difficult to culture, particularly given the mixture of bacteria in a biofilm. which of the following culture media would be best for growing fecal coliforms when they are relatively less abundant than other bacteria in the lake? anaerobic culture medium enrichment culture medium complex culture medium basic culture medium

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?