Which is the site of anaerobic respiration in a cell. a)chloroplast
b)cytoplasm
c)nucleus
d)vacuole

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.