What are 2 examples of stress the science meaning

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Great amounts of electromagnetic energy from our sun and other bodies in space travel through space. which is a logical conclusion about these electromagnetic waves? their energy must be very their frequency must be very low these waves can travel without a medium they only travel through a vacuum of space