Which sentence uses commas correctly? a. volcanoes spew molten rock and, they mostly exist along the pacific rim. b. the blue whale is the largest animal on earth and it is larger than any of the prehistoric dinosaurs. c. computers are useful tools, and, they are becoming more powerful every year. d. seaweed floats in the ocean, and some kinds can be harvested for food.

two months after his defeat of napoleon bonaparte's colonial forces, jean-jacques dessalines proclaims the independence of saint-domingue, renaming it haiti after its original arawak name. in 1791, a slave revolt erupted on the french colony, and toussaint-louverture, a former slave, took control of the rebels.

answer: this is because archeologists keep finding artefacts and ancient ruins dated more than 10000 to 15000 years, date around scientists said humans discovered language; which is at least mysterious as scientists always have said that is necessary to have a language to have architecture and some basic maths.

explanation: brainlest