Usually they are toxic to humans and most animals. Bases can be paints, cleaners, bleaches, or other substances.
breathing, sweating, urinating.
There are various substances that animals release to the environment. Carbon dioxide is one of substances which is then taken in by plants for purposes of photosynthesis.
Usually rats because of our similar blood patterns and reactions to different substances.
Yes to remove waste from their bodies like most animals
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Yes, they have to remove waste from their bodies like most animals
There are many substances such as acetone, rubbing achohol, vinegar, and ammonia.
Animals die when they are being tested on because they are having foreign substances put into their bodies. Animals that are tested on also have chemicals put into them. An animals body is not made to handle these chemical and foreign substances.
When the temperature of a substance decreases significantly most substances will contract.
If negative surroundings means factors in the environment that disturb homeostasis the thing most animals do is try to either remove the disturbing factor or remove themselves from its presence.
some various biodegradable substances areCottonPaperWoodDead animals or plants