Which of the following would be considered an observation? a) tall people have longer arms then shorter people
B) the substance was solid, white powder that smelled sweet
C) the new movie about Batman is boring
D) beakers and flasks are examples of common lab equipment
PLEASE ANSWER!

Tlymphocytes mature in the? a. thyroid gland. b. bone marrow. c. spleen. d. thymus.

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return

Which statement names a physical property of wood? wood does not rustwood can burnwood can rotwood is softer than coal