Answer: U-235
The fuel most commonly used in fission reactions is Uranium-235.
Answer: tay sachs is autosomal recessive so you need 2 tt for someone to have it
One of each parents is a carrier Tt and the dark ones are tt and then the center 2 parents are both Tt and the circle in the bottom left would be TT
square on the r in the middle row can be anything same as the white square progeny of the same
Explanation:
Answer:
D: tidal effects of the Moon
Explanation:
Explanation:
This much is undeniable. Based on the magnetic fingerprints locked into ancient rocks, we know that over the last 20 million years, magnetic north and south have flipped roughly every 200,000 to 300,000 years (this rate has not been constant over the planet's lifetime, though).
This could weaken Earth's protective magnetic field by up to 90% during a polar flip. Earth's magnetic field is what shields us from harmful space radiation which can damage cells, cause cancer, and fry electronic circuits and electrical grids.
