What is an advantage of a command economy? a. ability to make changes is slow and controlled b. all the means of production are owned by the people c. the military controls the economy through force d. ability to make major changes in a short period of time

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.

Which of the following is an example of competition a. the leaves of a tree prevent a small shrub from getting sunlight. three species of birds feed a different heights in the same tree. b. three species of birds feed at different heights in the same tree c. zebra and giraffe’s feed on different grassland plants d. cats living in two different homes eat the same brand of cat food.