Which of the following sentences are true about molds and casts? (no spaces between letters-order alphabetically) *
A. Molds and casts both copy the shape of ancient organisms
B. A mold forms when the hard part of an organism is buried under sediment
C. A cast is a hollow area in sediment in the shape of an organism
D. Molds and casts do not show details of the organisms structure

What is the approximate time of death of the body temperature is 29.4 degrees celsius

Drag each tile to the correct box. the body monitors the levels of oxygen in the blood to regulate breathing. isabel is running in a marathon and is near the finish line. she feels out of breath. how will her nervous system work to generate a reaction? arrange the tiles in chronological order. isabel's breathing rate increases. sensory receptors in the arteries detect low oxygen levels. the brain sends signals through motor neurons. sensory neurons generate an impulse. the central nervous system relays an impulse to certain brain regions.

What is the difference between a meteoroid and a meteor?