Metamorphic rocks
form when molten rock comes in contact with the atmosphere
often form depositional layers called bedding planes
are usually softer and less resistant to weathering than sedimentary rocks
are metamorphosed
include the rocks obsidian and conglomerate

are usually softer and less resistant to weathering than sedimentary rocks

Explanation:

Metamorphic rocks are usually softer and less resistant to weathering than sedimentary rocks.

in 1948, swiss engineer/amateur mountaineer george de mestral went hiking in the woods with his dog. when they arrived back home, george found burrs stuck to his dog’s fur. this inspired him to create velcro.

explanation:

they use tree rings to figure out weather patters.