Fire converts chemical energy into light and heat energy, and fires are large uncontrolled flames. Given these facts, what converts chemical energy into light and heat energy among the following options: - starfish - warmth - a flame - trees - cigarettes - an object - sunlight - engines
a flame

Characteristics that are encoded in DNA are called genetic traits, and intelligence is primarily a genetically inherited trait. Given these facts, intelligence is primarily encoded in what among the following options: - Man - RNA - SNPs - p53 - deep set eyes - reading glasses - DNA - python code
DNA

Q: Ants communicate with chemicals called pheromones, and pheromones are insect hormones. Given these facts, how do ants communicate among the following options: - With their voice - Chemical energy - mechanical waves - With their eyes - during the day - With their movements - With their hormones - electrically
A: With their hormones

Question: Conserving resources has a positive impact on the environment, and humans meet some needs and wants by using resources found in the natural environment. Given these facts, what effect has the existence of humans had on the environment among the following options: - climate - Negative - Neutral - Positive - Smoking - It expands - sweating - None
Answer: Negative

*Question*
The mass of an object causes the gravitational force exerted by that object, and all gravitational forces are attractive, there is no repulsive gravitational force. Given these facts, the mass of an object causes the what exerted by that object among the following options: - electromagnetic energy - Electrical energy - attractive force - heat energy - friction - solid, liquid, gas - energy of moving objects - kinetic energy
**Answer**
attractive force

(Question)
Alight bulb requires electrical energy to produce light, and electrical energy refers to energy associated with the flow of electrons. Given these facts, what does a light bulb require to produce light among the following options: - flow of electrons - flow of neutrons - the sun - adding heat - hydrogen and oxygen - an electron lens - h2o - chemical messengers
(Answer)
flow of electrons