Answer:
most prokaryotes have a single double stranded circular DNA
the cell's nucleoid
Answer:
The bottom one shows how the circulatory system of a fish functions.
Answer:
Half-life, in radioactivity, the interval of time required for one-half of the atomic nuclei of a radioactive sample to decay (change spontaneously into other nuclear species by emitting particles and energy), or, equivalently, the time interval required for the number of disintegrations per second of a radioactive
Explanation:
Space suits, space capsules, space vehicles, and space enviroments.
You should move this question to Mathematics instead. Or at least physics.