How are chemical and physical weathering alike?

Physical Weathering involves rocks breaking through contact with atmospheric conditions, but Chemical Weathering breaks down rocks with the effect of certain chemicals. They both made rocks and other sediments have cracks in them. Physical and Chemical Weathering both have differences.

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.