Conjugate the verb ser in all forms in the present tense describe two circumstances.

Darwin studied two different types of tortoises on the galapagos islands. sort the characteristics based on which tortoise they describe.

Afish fossil is found in a rock. a foot bone and tooth are found in an older layer of the same rock. what can scientists learn from the rock? a) the area changed from land to water. b) the area changed from water to land. c) the area has always been land. d) the area was once an ocean.

Determine if the situation below is a safe practice: julia needs to hang some industrial shelving, so she carefully selects the correct drill bits for the electrical drill before attempting to screw the shelves into the wall.