In selective thinning, a tree should be cut if it has A. a dead limb
B. rough bark
C. a forked trunk
D. a and c

Witch one is it soo it the the question b.a,b,c,d

[fw.02]sinkholes are often formed as a result of the actions of. a.heat on recharge b.pressure on aquifers c.acid in groundwater d.minerals in hot springs

In the figure, polygon abcd is transformed to create polygon a′b′c′d′. this transformation is a by a factor of .