In what way are the humerus and the femur similar? humerus
femur
O A. They both attach their respective limbs to the axial skeleton.
OB. They both have similar joints at each end.
Ос.
They both are extremely strong and made only of compact bone.
OD. They both have hollow spaces filled with bone-generating cells.
OE.
They both protect vital organs.

Which of the following represents the chemical reaction of hydrazine and hydrogen peroxide to produce nitrogen and water? a. nitrogen + hydrogen peroxide → hydrazine + water b. nitrogen + water → hydrazine + hydrogen peroxide c. hydrazine + hydrogen peroxide → nitrogen + water d. water + hydrogen peroxide → nitrogen + hydrazine

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.

Consider the venn diagram of plant reproduction. where in this image, areas a - d, would you insert the picture of the orange lily?