In supersonic flights, molecules break apart and react chemically. which safety features protect the plane?

Phytoplankton are microscopic photosynthesizing organisms that typically live in the upper layers of the ocean. What trophic level do phytoplankton belong to? Primary producers Decomposers Primary consumers Secondary producers

Jackie has two solutions that are 2 percent sulfuric acid and 12 percent sulfuric acid by volume, respectively.

Fill in the blanks to complete each statement about weathering Weathering is the breakdown of rocks into smaller particles called weathering is when rocks are physically broken into smaller pieces, but the minerals in the rock remain the same.

Which physical properties do all stars have? Check all that apply. They are made of gases? They shine very bright? They have a spherical shape? They contain iron in their cores? They make energy through fusion? @nattyames snap

When a metal reacts with a nonmetal, the metal will ... a) lose electrons and form a positive ion b) gain electrons and form a negative ion c) gain protons and form a negative ion d) lose protons and form a positive ion

Transport means to move something from one place to another. True False

What are two reasons that ocean water sinks in the Arctic Ocean? A. The surface water is warmer and less salty than normal. B. The surface water is warmer and more salty than normal. C. The surface water is colder and less salty than normal. D.

Which statement best describes the conductivity of weak electrolytes, such as weak acids and bases? A) Weak electrolytes do not dissolve in water and can not conduct electricity.

Two speakers are placed side by side and are described as having constructive interference. How do you know when constructive interference of sound waves has occurred?

Write about "human impact"