Which is an indication that a chemical change to a substance has occurred? it changes shape. new substances are formed. energy is used or given off. both b and c

Describe at least 2 abiotic and two biotic factors found in the desert biome how do these abiotic factors interact with the biotic factors

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

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