The correct answer C. Pectinoid is the most occurring fossil that is a bivalve. They are a superfamily of marine bivalve mollusks which includes scallops and oysters. Members of this family have a triangular resilium.
An·glo-A·mer·i·can
adjective
1.
relating to both Britain and the US.
"the older Anglo-American conception of the American as an offshoot of the Anglo-Saxons"
of English descent, but born or living in the US.
noun
noun: Anglo-American; plural noun: Anglo-Americans
1.
an American born in England or of English ancestry.
an American whose native tongue is English.
Your answer will be b and c because you're planting of crops will take a while to grow so it is not a sudden change to the Earth's surface and if you're building a tunnel through the mountain it won't affect the Earth's surface
