Answer:
Gram positive bacteria have cell walls composed of thick layers of peptidoglycan. Gram positive cells stain purple when subjected to a Gram stain procedure. Gram negative bacteria have cell walls with a thin layer of peptidoglycan.
It should be B: The Tundra, it's an environment that has this permafrost and in colder times leads to pure ice.<span />
Answer: ask Yahoo Answers
Explanation:
Glacial outwash deposits layered because clasts fall out of the glacier in size progression. Glaciofluvial sediments are stratified deposits of sand and gravel, glacialy derived, but deposited by streams flowing from the glacier. Glaciolacustrine sediments are generally thinly layered, clay and silt-sized clasts carried by streams and deposited in quiet water.
