6) which of the following hormones controls the release of anterior pituitary gonadotropins?
a) lh
b) fsh
c) gnrh
d) testosterone

preservation because he preserves part of the land and preserves means save

explanation:

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.