You are presented with the question "What requires a battery to produce light?" and the following answer choices:  - flashlight  - energy  - mirror  - microscope  - direct energy  - fire  - cactuses  - glowworm  Now knowing that aflashlight requires a source of electricity to produce light and electric power sources are ordinary batteries, choose the best answer.
flashlight


You are presented with the question "what do mammals keep warm with?" and the following answer choices:  - fats  - ears  - skulls  - Limbs  - food  - tails  - tissue  - hair  Now knowing that thick fur can be used for keeping warm and mammals have warm blood, and fur or hair, and breathe air, choose the best answer.
hair


Q: You are presented with the question "the site of what contains the green pigment chlorophyll?" and the following answer choices:  - orchids  - fertile  - peachleaf willow  - In their leaves  - photosynthesis  - Most plants  - an organism's body  - swamp vegetation  Now knowing that chloroplasts contain the green pigment chlorophyll and chloroplasts Chloroplasts serve as the site of photosynthesis, choose the best answer.
A: photosynthesis


Question: You are presented with the question "Where is energy stored before being used by an automobile to create mechanical energy?" and the following answer choices:  - sunlight  - layers of fat  - The atmosphere  - In molecules  - fossil fuels  - electrically  - a hydraulic system  - engines  Now knowing that an automobile engine transforms chemical energy into mechanical energy and chemical energy is the energy stored in molecules, choose the best answer.
Answer: In molecules


*Question*
You are presented with the question "what will die if they become too cold?" and the following answer choices:  - animal or plant  - most organisms  - freezing  - hydrogen and oxygen  - oxygen  - Most invertebrates  - clouds  - cells of organisms  Now knowing that if a living thing becomes too cold then that living thing will die and each living thing, animal or plant, consists of living cells, choose the best answer.
**Answer**
animal or plant


(Question)
You are presented with the question "What do tectonic plates being pushed together do?" and the following answer choices:  - Destroy saturn  - permineralization  - Build bridges  - Physical weathering  - Destroy bridges  - Destroy moon  - Movement  - to move people  Now knowing that tectonic plates being pushed together causes earthquakes and earthquakes destroy bridges, choose the best answer.
(Answer)

Destroy bridges