Question: Choose your answer.

The heart, blood vessels, kidneys, and bladder working together are best described as
My Answer: a system.

Question: Choose your answer.

The source of energy for the Earth's water cycle is the
My Answer: Sun's radiation

Question: Choose your answer.

New technology in some countries focuses on medical procedures and space exploration. In other countries, new technology focuses on preventing disease and feeding an increasing population. Which statement best explains why countries focus on different types of new technology?
My Answer: Needs and attitudes influence technological development.

Question: Choose your answer.

Two identical plants are planted 3 meters apart. One plant is flowering, but the other is not. A student concludes that the plants are receiving an unequal supply of water. Another possible explanation the other plant is not flowering is that the plants are
My Answer:
receiving different amounts of sunlight.