Why does air at 75% relative humidity and 30°c make your skin feel stickier than air at 75% relative humidity at 10°c?

warm air rises while cold air falls.
the warmer air contains less water vapor per unit of volume.
the warmer air contains more water vapor per unit of volume.
moist air has lower density than dry air does.

Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.

Explain how scientists use geologic time to determine the age of landforms.

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables