Bacteria break down organic matter and return carbon dioxide and water to the environment. This is an example of a. combustion. c. nitrogen fixation. b. transpiration. d. decomposition. Please select the best answer from the choices provided A B C D

According to the big bang theory, after the "bang," the universe remained dark until about  300,000 yearsone billion yearsthree minutesthree billion years  later, when neutral atoms began to form.

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?