How do things rust? Is this chemical or mechanical weathering?

Pedro is planning to model how changes in weather affect evaporation from lakes. For his second experiment, he wants to test how winds affect the evaporation rate.

What's the smallest wavelength?

What are substances that have the same composition, but different structures, known as? a. Ions c. Allotropes b. Covalent twins d. Phenotypes

To determine a waves' frequency, you must know the distance it travels. number of oscillations in a given period of time. distance between the crest and trough. height of the wave.

Describe in one complete paragraph how oil and natural gas compare in terms of predicted supply and carbon dioxide emissions.

2. How is temperature related to kinetic energy?

As stream velocity decrease, which factor will likely increase? A) erosion of the stream bank B) deposition of material in the stream C) amount of material carried downstream D) size of the particles carried downstream

What cells in the nervous signals travel through the nervous system

A mechanic pushes a 3.60 ✕ 103-kg car from rest to a speed of v, doing 5,130 j of work in the process. during this time, the car moves 21.0 m. neglecting friction between car and road, find v and the horizontal force exerted on the car.

Anika asks Eva to roll a basketball and then a bowling ball to her. Which requires more force to roll, and why?