Three questions in one for 100 points i think
which of these landforms has the least amount of relief?

a. wide valley

b. broad delta

c. gentle hillside

d. steep mountain

the law of says that younger rocks originally cover older rocks.

a. superposition

b. included fragments

c. original horizontality

d. cross-cutting relationships

which type of unconformity exists between parallel layers of sedimentary rock?

a. disconformity

b. nonconformity

c. angular unconformity

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different

1. an enzyme is considered a(n) because it speeds up a chemical reaction without being used up.2. in a catalyzed reaction, a reactant is often called a(n) . an enzyme is specific because the shape of its matches only particular reactants.4. an enzyme speeds up reactions by lowering the . the between an active site and its substrate often strains bonds and the reaction proceed.6. a( , which is often a vitamin, binds to an enzyme and plays a role in catalysis.7. high temperatures or changes in ph can an enzyme, causing it to lose its shape and biological activity.