If a test tube has been used, and its contents is supposed to be disposed, carefully pour the contents to the lavatory with a confirmation of a professional (as it may damage the pipelines of the sink) and ensure that there are no splashes created that can contact the human skin. Wash the test tube thoroughly and let dry.
Answer:
Explanation:
Bones are organs composed of hard living tissue providing structural support to the body – it's scaffolding. It is a hard matrix of calcium salts deposited around protein fibers. Minerals make bone rigid and proteins (collagen) provide strength and elasticity. ... The outer layer of bone is called Cortical bone.
Not sure but hope you find it!!!
Answer:
nuclei, mitochondria and chloroplasts
She is able to determine it to be a mollusk because Mollusks
characteristics are the following:
Term from Latin meaning “soft”
Has a mantle and cavity (breathing and excretion)
Radula (band like an antenna) is present
<span>Structure of the nervous system (brain wraps the
esophagus and has two nerve chords)</span>
