Answer:
A
Explanation:
The amplitude of a sound wave determines its loudness or volume. A larger amplitude means a louder sound, and a smaller amplitude means a softer sound.
Answer:
A crab lives in the intertidal zone.
A crab spends most of its time scavenging for food in the sand.
Explanation:
These tell us where a crab lives and where/how it feeds.
"A crab has an exoskeleton." is a true statement about the characteristics of a crab, but tells us nothing of its interaction with the environment so is not niche.
"A crab will avoid predators by quickly moving underneath an object to hide."
is a true statement, but is too general to identify a niche. Could be modified to cover niche if it said something like "A crab will avoid predators by quickly moving underneath an abandoned seashell or a coral rock to hide."
Answer:
Hypotheses must be testable, and once tested, they can be supported by evidence. If a statement is made that cannot be tested and disproved, then it is not a hypothesis.
In drawing, when the quality of a single line changes from thick to thin, it is referred to as calligraphic. Calligraphy is an art that is associated with writing. It involves designing and executing a lettering using a broad tip instrument or a brush. Pens that are used for this uses nibs which can be pointed, round or flat.
Ocean Trenches form at subduction zones