Answer the following question given this paragraph: Conduction from the core heats the lower mantle. Q: Conduction from the core has what effect on the lower mantle? Choices: - it vibrates it - it makes it rotate - it cools it - it heats it A:
it heats it

Answer the following question given this paragraph: Some bacterial autotrophs make food using chemosynthesis. This process uses chemical energy instead of light energy to produce food. Q: What type of energy does chemosynthesis use to make food? Choices: - GRAVITATIONAL energy - CHEMICAL energy - carbon energy - chemical energy A:
chemical energy

Answer the following question given this paragraph: Hearing is the ability to sense sound waves, and the ear is the organ that senses sound. Sound waves enter the auditory canal and travel to the eardrum (see Figure below ). They strike the eardrum and make it vibrate. The vibrations then travel through several other structures inside the ear and reach the cochlea. The cochlea is a coiled tube filled with liquid. The liquid moves in response to the vibrations, causing tiny hair cells lining the cochlea to bend. In response, the hair cells send nerve impulses to the auditory nerve , which carries the impulses to the brain. The brain interprets the impulses and "tells" us what we are hearing. Q: What is the organ that senses sound? Choices: - nose - eye - skin - ear A:
ear

Answer the following question given this paragraph: Figure 5.3 This phospholipid molecule is composed of a hydrophilic head and two hydrophobic tails. The hydrophilic head group consists of a phosphate-containing group attached to a glycerol molecule. The hydrophobic tails, each containing either a saturated or an unsaturated fatty acid, are long hydrocarbon chains. Q: What two things are a phospholipid molecules composed of? Choices: - hydrophillic head , and adhesion tails - hydrophillic head , and substrate tails - hemophillic head, and substrate tails - hydrophillic head , and hydrophobic tails A:
hydrophillic head , and hydrophobic tails