For the year 2008, the fao estimated that every person on the planet consumed at least percent of their animal protein intake as fish.

The correct answer to this open question is the following.

For the year 2008, the FAO estimated that every person on the planet consumed at least 20 percent of their animal protein intake as fish.

The Food and Agriculture Organization, an agency from the United Nations, estimated that human consumption of food from the seas reached 20% The protein from fish and seafood are very nutritious and helps humans in their daily diet to consume healthy food. The oceans are a good option for humans these days that agriculture and livestock face problems in different parts of the world.

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.