Because it is a nonliving component of ecosystems. Weather is
A) abiotic
B) biotic
C) atmospheric
D) cyclic
E) predictable

What are the types of mutations, and how does each alter the encoded protein? college level answer

When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection

Casts and mold are a type of preservation where the original material decays, leaving a mold in surrounding rock that can be filled with another sediment a. true b. false