Which of the following correctly describes the appearance of muscle tissue used to voluntarily raise a person's arm? a) single-nucleus, non-striated, short cells b) single-nucleus, striated, branching cells c) multinucleated, non-striated, branching cells d) multinucleated, striated, long threadlike cells

Which of the following represents an upright image? a. -do b. +m c. -m d. +do

Sawyer is studying diffraction. he draws a diagram of a plane wave to show how light waves travel. which best describes sawyer’s error? the wave fronts should be perpendicular to the direction in which the waves move. the arrow showing the direction of movement of the waves should be pointing to the left. the arrow showing the direction of movement of the waves should be pointing downward. the wave fronts should be both parallel and perpendicular to the direction in which the waves move.

A10-kg piece of aluminum sits at the bottom of a lake, right next to a 10-kg piece of lead, which is much denser than aluminum. which one has the greater buoyant force on it? explain. b - the aluminum a) both have the same buoyant force. b) the aluminum c) the lead d) it cannot be determined without knowing their volumes.