Which examples are ways that models can help scientists solve problems? Select all that apply. A model can represent something very large like the solar system.
A model can represent something very small like a single cell.
A model can represent something very complex like the flow of energy in an ecosystem.
A model can represent something that cannot be seen or touched.
A model can represent every aspect of a complex system.

Astore manager timed janette to see how long it would take her to fold and put away a sweater, a shirt, a pair of pants, and a scarf. it took her 26.1 seconds for the shirt, 24.3 seconds for the sweater, 32.8 seconds for the pants, and 18.2 seconds for the scarf. what was the average time it took janette to fold and put away all four items? during a catered lunch, an average of 4 cups of tea are poured per minute. the lunch will last 2 hours. how many gallons of tea should the caterer bring if there are 16 cups in one gallon?

In cellular biology, what is the definition of the word specialized? te o a. carried across the cell membrane by a specific protein a o b. a structure within a eukaryotic cell that performs a specific function o c. adapted to a specific function or condition es essere beste ser bendere s b tele ee o d. containing unique dna ser eeseen les, e nde este ses see ste submit e

Mercury metal is poured into a graduated cylinder that holds exactly 22.5 ml the mercury used to fill the cylinder mass in 306.0 g from this information calculate the density of mercury