Type of change that doesn't involve the formation of new kind of matter

Which of the following locations most likely have the highest rate of evaporation? North Pole Gobi desert Pacific Ocean Amazon rainforest

Why chalk and water can not mix

What happens when humans burn fossil fuels? A) Carbon is released into the atmosphere. B) Carbon is removed from the atmosphere. C) Temperatures on Earth decrease. D) Carbon is destroyed.

16. When a reaction is at equilibrium a. The forward reaction rate is equal to zero b. The forward reaction rate is slower than the reverse reaction rate C. The reverse reaction rate is equal to zero d.

The amount of runoff that occurs in an area depends on which factors? Select three options. land use the water table amount of rainfall amount of vegetation amount of nutrients in soil

What is the symbol for heat

When a single 1-gram piece of zinc is added to 3 M hydrochloric acid at 25°C, the reaction is slow. Which procedure would most likely increase the rate of the reaction if the reaction were repeated? A. using 1 gram of powdered zinc B.

Which accurately describes development? A. changing while growing B. growing larger over time C. decreasing the number of cells D. increasing the sizes of cells

A design team has come out with four different plans for building a bridge across a small stream. What is the quickest and most economical way of picking the right plan?

Is a gas that is produced by the ultraviolet radiation in the air in the vicinity of welding operations?