They attach to the chromosomes at opposite ends and then the centrioles pull them and that pulls the chromosomes apart. They are just like microscopic ropes
The "false labor" that can occur after the fourth month of the pregnancy is known as the Braxton hicks contraction. During these contractions, the uterus of the pregnant female tighten for a period of about 30 seconds to 60 seconds. Sometimes, these contractions can continue for 2 whole minutes. These contractions are also known as the 'practice contractions'.
Hence, the answer is 'Braxton hicks contractions'.
Answer:
they are comer than their surroundings.
Sunspots are cooler because their magnetic fields inhibit the replenishing of heat from convective flows (due to the interaction between plasma and magnetic fields). This allows them to cool radiatively. The rest of the solar surface is constantly being replenished by convective cells that reheat it.
I think it’s B but I’m not sure
