Answer:
its the level of acid in substances
you put the amount of a item into a cup and add water.
Explanation:
Ecosystems can be large and are made of biomes. Some examples of ecosystems are deserts and forests.
Upper surface of base of the skull
The two (2) sides of the brain are able to communicate through the corpus callosum.
<h3>What is a brain?</h3>
A brain can be defined as an organ of soft-nerve tissue that is found within the skull of vertebrates, and it's mainly responsible for the coordination of nervous activities, sensation and intellect in living organisms.
Based on medical information and records, the two (2) sides of the brain (symmetrical left and right hemispheres) are able to communicate through the corpus callosum.
Read more on brain here: brainly.com/question/1980581
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