A magnetic field protects Earth from the Sun’s high-energy particles. What two processes are involved in the formation of Earth’s magnetic field? the movement of materials in Earth’s mantle and Earth’s rotation
the movement of metals in Earth’s core and Earth’s rotation
the movement of solar wind toward Earth and Earth’s revolution
the movement of eruptions from the Sun’s surface and Earth’s revolution

amber has allowed scientists to study dna that has been preserved over millions of years.

she forgot to record a transaction

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.

yes we can.   a lady urinates from her urethra.