Answer:
The difference between intrusive and extrusive igneous is that, intrusive rock is one that forms when magma cools within Earth. Extrusive igneous rock is one that, forms when lava cools on Earths surface.
Decomposers can break down any dead organic matter. Since any of the organic matter consume can come from any level, there isn't a specific place for decomposers. It is hard to place them because as you travel up the food pyramid energy is lost. Decomposers would have their own level because of this.
D. The reaction absorbs energy from its surroundings
Heat is a form of energy, so if the chemical reaction makes its surroundings become colder, it is absorbing heat energy.
Pathogens are spread from bacteria, this bacteria travels throughout the air meaning another person gets it. Some things that can be prevented is take antibiotics to fight the bacteria off and washing your hands daily, also cover your mouth when coughing and sneezing to somewhat stop spreading the bacteria
