Differentiate the mgf M(t)=e4.6(et−1)​

What is the "great pacific garbage patch"? (a) a large area of marine debris concentrated by rotating ocean currents (b) a large area around the pacific rim where debris collects from natural disasters such as tsunamis (c) an area in the pacific ocean where trash is intentionally dumped due to lack of landfill availability (d) a large trash dump located in hawaii

The primary agent of contact metamorphism is

An enormous wave generated by an earthquake beneath the seafloor is known as a