Select all examples of technological tools used to explore and observe the ocean. ROV's

submersibles

ships

satellites

SONAR

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.

the correct answer is 4) heat and pressure

metamorphic rocks arise from transformation of existing rocks types, in a process called metamorphism. during metamorphism the original rock(prolith) change into metamorphic rock by heating (150-200c) and pressure of more than 1000 bar. the original rock can be sedimentary, igneous, or existing metamorphic rock.