The illustration shows the worldwide distribution of orcas. The dark areas are where the whales are most commonly found. What can you infer about food sources and the distribution of killer whales as seen on the map?

Isolated volcanic peaks on the ocean floor are

Ascience research group is testing a new type of plant food. one trial is conducted in a controlled experiment. the data from the trial show that the plant that received the new food grew faster than the control plant. the group announces that the new plant food makes plants grow faster. what is the main weakness in this scientific claim?

Abacteriophage typically attaches to the bacterium and then