Erosion causes a river to become deeper and wider, and water erosion has similar consequences as wind erosion. Given these facts, what can make a river deepen and widen among the following options: - birds - sunlight - Sediment - wind and water - rainfall - flooding - weeds - arteries
wind and water

An animal requires energy to move, and when an animal moves, it burns energy. Given these facts, what allows for movement in animals among the following options: - the digestive system - an external framework - energizing crystals - Veins and arteries. - spinning wheels - burning energy - arteries - changing tires
burning energy

Ejaculation occurs when muscle contractions propel sperm from the epididymes, and ejaculation is the expulsion of semen. Given these facts, the expulsion of semen occurs when what propels sperm from the epididymes among the following options: - birth - muscle contractions - kinetic energy - urine - rapid expansion - air - heat produced - matter vibrating
muscle contractions

If seeds stick to the fur of an animal then that seed will be transported by the animal, and most plants grow from seeds. Given these facts, what can help plants grow among the following options: - Solar energy - honeybees - Light - Animal fur - evaporation - energy - Enzymes - Energy.
Animal fur