The first one, urbanization
The double layered sac surrounding the heart is the pericardium
Gamma rays
Explanation:
In a nuclear reaction product that has the least mass is gamma rays.
There are three types of ionizing radiation produced in nuclear reactions. They are:
- Alpha particles
- Beta particles
- Gamma rays
Alpha particles are heaviest followed by beta particles. Gamma rays have no mass.
- A gamma ray is a form of electromagnetic radiation
- It has no charge and mass
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Gamma rays brainly.com/question/10726711
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Answer:
middle ear- hammer, anvil, stirrup
cochlea- cavern-like bone with tiny hairs and fluid
eardrum- membrane
outer ear- gathers sound
amplify- make greater
This is easily "<span>
Increased susceptibility to infection". HIV/AIDs is an immune deficiency disease that does the exact same thing.</span>