Answer:
Generally, a seismograph consists of a mass attached to a fixed base. During an earthquake, the base moves and the mass does not. The motion of the base with respect to the mass is commonly transformed into an electrical voltage. The electrical voltage is recorded on paper, magnetic tape, or another recording medium.
Answer:
the food web
Explanation: A food web is a conceptual model that represents the flow of energy through an ecosystem.
The keystone species is the one at the bottom of the pyramid, if we look at it like a pyramid. If the grass dies, then the deer cannot get food and die, and the predator cannot eat and dies, and the whole ecosystem can fall apart.
Answer:
The true statement is: The Sun's energy passes through the atmosphere without warming it significantly.
Seafloor spreading occurs when two plates diverge
