A sedimentary layer in which grain size decreases from the bottom up is ____

a. graded bedding
b. mud cracks
c. bioturbation
d. drift
e. till


a

Environmental & Atmospheric Sciences

You might also like to view...

What type of basaltic feature is shown in this photograph?



A) Vesicles
B) Volcanic bomb
C) Aa lava flow
D) Pahoehoe lava flow
E) Pyroclastic flow

Environmental & Atmospheric Sciences

The Kyoto Protocol ___.

a. would have resulted in overall increases in greenhouse emissions b. was intended to reduce emissions of six greenhouse gases to levels lower than those of 1990 c. required equal concessions from all countries involved in greenhouse gas emission d. increased federal funding for controlling greenhouse gas emissions from U.S. power plants

Environmental & Atmospheric Sciences

Precipitation and soil type are key variables in weather and climate

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

The water table is ________

A) a boundary between saturated rock below and unsaturated rock above B) an underground mass of partly saturated rock C) a boundary between unsaturated bedrock and an underground river D) a boundary between unsaturated bedrock below and saturated bedrock above

Environmental & Atmospheric Sciences