Solar eclipse occurs when the earth is in a direct line between the sun and the moon
Mass of 10 cc of gas is 10×0.05=0.5g.
Answer:
D
Explanation:
Key points:
- Cells have a variety of mechanisms to prevent mutations, or permanent changes in DNA sequence.
- During DNA synthesis, most DNA polymerases "check their work," fixing the majority of mispaired bases in a process called proofreading.
- Immediately after DNA synthesis, any remaining mispaired bases can be detected and replaced in a process called mismatch repair.
- If DNA gets damaged, it can be repaired by various mechanisms, including chemical reversal, excision repair, and double-stranded break repair.
that's from khan academy^
It is considered to be lifestyle physical activity. Lifestyle physical activity is a conduct that is extensively characterized as any real development created by the constriction of muscles that considerably expands vitality use. This kind of conduct can be gathered amid one's day by day routine by partaking in at least 30 minutes of self-chose physical exercises.
