What happens at a tectonic plate boundary? A. Sea Floor Spreading Takes Place. B. An oceanic plate becomes a continental plate. C. Two Tectonic Plates interact with each other.

Iron reacts with oxygen to produce iron oxide (rust). this reaction is represented in an equation as 4fe + xo2 → 2fe2o3. identify the value of x that will balance the equation.

During a hot day, warm and moist air rises and cools in the atmosphere. which even would occur next on such a day? a. condensed droplets would gather to become water vapor. b. water vapor would condense into tiny droplets. c. water droplets would evaporate to form rain and snow.

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?