Match each statement with the type of weathering it describes. chemical
weathering
mechanical
weathering
Weathering is caused by precipitation reacting
with minerals in the rock.
Weatherira is caused by freezing and thawing
of water.
Weathering creates new substances, such as
clay and salts.
Weathering is caused by the movement of
agents such as glaciers and wind. It is
accelerated by increases in velocity
Weathering is caused by processes such as
corrosion, hydrolysis, and dissolution. It is
accelerated by increases in temperature.

Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 2 2. (a) one fin is spiny, the other is smooth ® 3 (b) one fin is not spiny or smooth ® 4 5. (a) has small fin on back near tail ® 6 (b) has no fin on back near tail ® 7 6. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 10 7. (a) tail is asymmetrical ® 8 (b) tail is symmetrical ® 9 10. (a) scales are small ® trout (b) scales are large ® whitefish what is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10