The main acid in the stomach is hydrochloric acid (hcl). Which chemical equations show a reaction that occurs when someone takes an antacid? check all that apply. Hcl + naoh mr001-1. Jpg nacl + h2o 2hcl + caco3 mr001-2. Jpg cacl2 + co2 + h2o 2hcl + mg(oh)2 mr001-3. Jpg mgcl2 + 2h2o 6hcl + 2al mr001-4. Jpg 2alcl3 + 3h2 hcl + nahco3 mr001-5. Jpg nacl + h2o + co2.

The volume of a cylinder is 72 tt cm3. if the radius is 3 cm, what is the height of the cylinder?

Tortoise shells and snail shells are similar in function: they protect the organism from predators. based on a comparison of the organisms in the images, what can you conclude? 1. tortoises and snails have homologous organs, and they’re evolutionarily related. 2. tortoises and snails have homologous organs, and they belong to same species. 3. tortoises and snails have analogous organs, and they belong to the same species. 4. tortoises and snails have analogous organs, and they don’t belong to the same species. 5. tortoises and snails have analogous organs, and they aren’t evolutionarily related.

These three organisms are interdependent on each other for their survival. what will happen if foxes are eliminated from the region? a. there will be more rabbits and less grass in the region. b. there will be more grass and fewer rabbits in the region. c. there will be fewer rabbits and less grass in the region. d. there will be more rabbits and more grass in the region.