Which of the Following Changes to the Environment Will Have

question 71

Multiple Choice

Which of the following changes to the environment will have the MOST universal effect on coral reefs despite their particular geographic location in the oceans?

• A)Increased water temperatures from El Nino effects and/or global climate change.
• B)Increased salinity from diversion of freshwater for human use.
• C)Increased oxygen concentrations from algal blooms due to nutrient pollution.
• D)Increased predation by parrot fish due to overfishing.

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Definitions:

Momentarily Actuated

Refers to a device or switch that is activated temporarily and returns to its original state after a short interval or when the actuating force is removed.

DINT Signal Path

Refers to a Double Integer signal path, commonly used in industrial control systems for transmitting or processing 32-bit integer data.

Feedback Loop

A system structure that feeds back the output into the input to control the operation or response of a system.

Data Latching

A technique used to read the value of the input data that will be operated on by the instructions with a function block.