The dendrites of a neuron interact with several different axon terminals. Some of them are sending excitatory signals, while others are sending inhibitory signals. Over the course of the effects of these signals, the neuronal membrane potential reaches around -90mV. This means, overall, that the neuron will be

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inhibited from generating action potentials

Environmental & Atmospheric Sciences

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Which of the following is an optical phenomenon that forms in a similar manner as the halo?

A. corona B. tangent arc C. sun pillar D. rainbow

Environmental & Atmospheric Sciences

Why are no D or E climates shown in the Southern Hemisphere?

The following questions are based on the diagram of the Köppen climate distribution on a hypothetical continent (Figure 23-2). It may also be helpful to compare the hypothetical continent with the map of actual climate distribution color Map T-29 in the back of the Lab Manual and Figure 23-3 showing the influence of the seasonal shifts of the ITCZ and subtropical highs along the west coasts of continents. In answering the questions, consider both the characteristics of a climate and the dominant controls producing that climate.

Environmental & Atmospheric Sciences

Explain the processes involved in lithification of sediment into sedimentary rock

What will be an ideal response?

Environmental & Atmospheric Sciences

This large volcanic eruption generated so much sulfur dioxide that global temperatures cooled by about 0.5°C for two years following the event.

A. Mount Pinatubo B. Mount St. Helens C. Mount Tambora

Environmental & Atmospheric Sciences