What type of tide forms when the Moon is at a right angle with respect to the Sun when viewed from Earth, such as during the first and last quarter moon? Select the best answer.

Which type of volcano is smallest and forms from low-viscosity magma with an abundance of volatiles?

How many half-lives have occurred for a mineral specimen if you determine that there is 50% of a given parent isotope remaining? 

What causes water to become more dense and sink in the North Atlantic?

_______________ is the location on the surface, directly above the hypocenter (or focus) of an earthquake, where seismic waves are first felt.

Basalt is fine-grained and is primarily composed of mafic minerals. 

What leads to the formation of magma at an oceanic-oceanic convergent boundary (aka a subduction zone)?

What processes would need to occur to transform a sedimentary rock into an igneous rock?

Why are some of the most biologically productive regions in the oceans found along the western coastlines of the continents?

Which of the following Earth processes are considered external processes? Select all that apply