A campfire is an example of

A. a fusion reaction.

B. an exothermic reaction.

C. a spontaneous reaction.

D. an endothermic reaction.

What are Newton's laws of Motion? I need all 3.

What does mutualism and commensalism have in common

Which statement is true? A molecule having a covalent bond can be ionic. A molecule having a covalent bond is always polar. A molecule having a covalent bond may be polar or nonpolar. A molecule having a covalent bond is always nonpolar.

How do the particles in matter change when a substance becomes hotter, cools down, or changes state

After analyzing rock core samples in an area with frequent earthquakes, many geologists believe a severe earthquake will occur in the area in the next 50 to 80 years.

What is the golden rule of lighting safety?

Select the correct answer. A man pours some hot coffee into a small cup from a large jug that contains enough coffee for several cups. Which statement correctly compares the coffee in the cup and in the jug? A.

Is sponge cake a heterogeneous mixture

Describe three skills people use to conduct scientific investigations

The surface temperature on Venus may approach 739 K. What is this temperature in degrees Celsius?