What is the result of cooled, solidified lava?

This image is an example of a(n) a) atom. b) compound. c) mixture. d) molecule.

Which are examples of how technology has advanced scientific understanding.1using hot water to sterilize medical equipment.2transplanting a human organ into another individual.3inserting genes from one sheep into another cell to make a cloneunderstanding the different structures that make up a cell.4examining microorganisms from the deepest parts of the ocean

Which of the following describes a situation where competition between producers exists