Three Major Characteristics of the Inner Planets. The four inner planets -- Mercury, Venus, Earth and Mars -- share several features in common. Astronomers call them the “terrestrial planets” because they have solid, rocky surfaces roughly similar to desert and mountainous areas on the earth
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Answer:
D. carbon dioxide
Explanation:
An increase of a plant's biomass is the result of photosynthesis. Therefore, carbon dioxide and water ultimately contribute to the huge increase in the pine tree's biomass.
(From USATestprep)
Innate behaviors are behaviors that do not need to be taught, you naturally develop them. Some examples are eating and sleeping.
The four learned behaviors: Habituation, Sensitization, Imprinting, and <span>The Conditioned Response.
</span><u>Habituation </u>- Turtle hides into shell after being touched. After being touched several times and has associated that no danger is involved, turtle is no longer scared.
<u>Sensitization</u><u /> - Your first presentation may make you insanely nervous, but once you gain more experience you become less and less nervous.
<u>Imprinting</u><u /> - Ducklings following their mother
<u>Conditioned Response</u><u /> - Dogs don't like getting shots. They may associate the scent or appearance of the animal hospital with getting shots. They may try to avoid the scent or something similar to the hospital.
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To determine the reason for the fish death, do the following:
1. Test the water for the presence of organic substances that may be poisonous to the fish.
2. Test the dissolved oxygen concentration of the lake at different locations and at different depths.
3. Perform full toxicological examination of the lake to determine if any pollutant or poisonous chemical is present in the lake.<span />