All Tubes incubated for 20 seconds and are filled with 4mL of H202 and TUBE 1: 1mL of catalase TUBE 2: 2mL of catalase TUBE 3: 3mL of H20 (water) TUBE 4: 4mL of sucrase Which tube would deomonstrate the highest bubble column?​

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Elephants in the savanna regions of africa dig holes in dried up river beds to reach water lying just below the surface. these holes provide drinking water for other animals as well. so, without the elephants, many animals might otherwise die from lack of water during the dry season. the location in which the elephants live is an example of a/n and the role they play in creating water holes is an example of a a) ecosystem; habitat b) community; niche c) habitat; niche d) niche; habitat

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.