Q: You are presented with the quiz "What is converted in a flashlight?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "aflashlight converts chemical energy into light energy" and "ajoule is roughly the energy used by a flashlight turned on for one second". So, what's the best answer to the question?

OPTIONS:
- hydrogen and oxygen
- adding heat
- an electron lens
- hydrogen to water
- chemicals to light
- batteries into solar
- heat into light
- chlorofluorocarbons

A: chemicals to light
input: OPTIONS:
- salt and water.
- Chlorophyll
- the environment
- in its arms
- on the rocks
- in its eyes
- Epidermis
- in the ocean Now, answer this question: You are presented with the quiz "Where does a starfish have its water vascular system?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "echinoderms have a unique water vascular system with tube feet" and "each starfish arm is lined with tube feet". So, what's the best answer to the question?
A:
output: in its arms
You are presented with the quiz "adult what are attached permanently, immobile?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "adult sponges are sessile" and "sessile Attached permanently, immobile". So, what's the best answer to the question?

OPTIONS:
- the eyes
- bears
- four limbs
- insects
- barnacles
- salmon
- sponges
- fungi

Answer: sponges
Problem: OPTIONS:
- sugar
- seeds
- bamboo
- roots
- stem
- food
- leaves
- branches
Q: You are presented with the quiz "What is an edible part of a plant?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "some flowers become fruits" and "fruits, flowers and leaves are edible". So, what's the best answer to the question?
Answer: leaves
Problem:OPTIONS:
- Summer
- sound
- ligt
- singing
- mechanical
- movement
- exercise
- autumn

You are presented with the quiz "How do birds court and defend territories? " But you don't know the answer, so you turn to your teacher to ask for hints. He says that "courtship is behavior that is intended to attract a mate" and "birds sing to defend territories and attract mates". So, what's the best answer to the question?
****
A: singing
Problem:OPTIONS:
- green
- clams
- Bats
- mussels
- coral
- plant
- fruit
- cells

You are presented with the quiz "What has photosynthetic organs which grow when it does?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "when a plant grows , the size of the leaves of that plant may increase" and "leaves Leaves are the main photosynthetic organs of a plant". So, what's the best answer to the question?
****
A:
plant