Both Radioactive dating of rocks retrieved from the world and Comparing cratering rates on one world to those on another.
Geologists can find the relative age of impact craters on a world because
the ones on top must be younger.
Scientists know the history of Earth's magnetic field because the magnetic field gets frozen into rocks, and plate tectonics spreads them out.
Hope it helps
Calcrete or Caliche is a type of sedimentary rock often found in arid and semiarid regions. It is composed of calcium carbonate with bits of gravel, clay and silt. It is found in Australia, Kalahari Desert, Sonoran and Mojave desert. Note that caliche does not form through dissolution and reprecipitation of rainwater. Rather, it forms when water from the ground rise above through capillary action, bringing up minerals from the ground into the surface.
Answer:
Deforestation main cause is from Humans correct. It's the process of permanent removal of trees to make room for something besides forest. This can involve clearing the land for agriculture or grazing, or using the timber for fuel, constructions. Forests cover more than 30% of the Earth's land surface. They've impacted by trees releasing carbon dioxide and other greenhouse gases. Forest loss and damage is the cause of around 10% of global warming.
Answer:Infuse integrity into the classroom culture. Teachers make integrity the norm in their classrooms in several important ways. ...
Develop a moral vocabulary. ...
Respond appropriately when cheating occurs. ...
Use quotes to ignite meaningful conversations. ...
Help students believe in themselves.
Jun 9, 2015
