Answer: B
Explanation: The DNA in the nucleus can be transcribed in mRNA, which can then leave the nucleus and be translated into proteins, which make up physical traits and characteristics.
Coughing can be a symptom along with shortness of breath
Answer: bacteria
Explanation:
Bacteria can feed on oil spills, snippets of DNA, cell sugars, and possible everything you can think of. Bacteria is very harmful, but some can be helpful. Even though, the answer should be bacteria.
The four characteristics of a mineral are:
1. Cleavage- the way it breaks, whether flat or roughly.
2. Luster- the way light reflects off of it, i.e. pearly, shiny, etc.
3. Streak- the color that its powder is
4. Hardness, for example, diamond is the hardest mineral, this is usually measured on the Mohs scale.