Why are cyanobacteria important to early Earth? A. Cyanobacteria produced iron in Earth’s crust.

B. Cyanobacteria preceded the first photosynthetic organisms.

C. Cyanobacteria are the first photosynthetic organisms.

D. Cyanobacteria stopped the formation of rust in the Earth’s crust.

What is the surface temperature of the ocean where hurricanes form? greater than 80 celsius approximately 27 celsius at least 76 celsius less than 10.5 celsius

What is the importance of having the us forest service, the bureau of land management, the us fish and wildlife service, and the national park service? to manage land resources for conservation and the development of natural resources to manage land resources for conservation and the development of urban areas to preserve historical landmarks and manage the development of urban areas to preserve historical landmarks and manage the development of rural areas

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.