Where did scientists at Colorado State University and the U. S. National Park Service analyze noise levels for a study?

in cities across the U. S.

in areas by the ocean

in federal, state, and local parks

in rural areas across the U. S.

the answer will be a) proteins i believe

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation: