Answer:
Due to mixing of particles present in the upper layer of limestone with sandstone during deposition.
Explanation:
The parent layer was limestone layer which is older than sandstone layer. This sandstone layer spreads on the limestone layer because of wind. The wind moves these sandstone from other region and their deposition occurs on the limestone layer. During deposition of sandstone, some particles of limestone which are present at the surface mixes with the sandstone so that's why in sandstone layer, small and weathered pieces of limestone are present.
"C" The only way something will make a shockwave or a sonic boom is if it's traveling faster than the speed of sound
Answer:
the first option is correct
Explanation:
in a food pyramid the base is always producers.
The cardiovascular system I think. Hope this helps
