2. A current is a part of a fluid that is moving continuously in a certain direction. Water is the fluid you used in Part 1 to show how uneven heating can produce a current. Name another common fluid you could use to show the same phenomenon. (1 point)

humans are now responsible for causing changes in the environment that hurt animals and plant species. we take up more space on earth for our homes and cities. we pollute habitats. human activity often changes or destroys the habitats that plants and animals need to survive.

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.

protistas excret ethanol used in the manufacture of vinegar