[Q] Where is force on the vessel walls highest?
Options:
- (A) arteries
- (B) feet
- (C) resistance
- (D) tibial vein
- (E) strong
- (F) capillaries
- (G) femoral vein
- (H) Summer
[A] Here's my solution: Blood pressure is highest in arteries and lowest in veins. What is Blood Pressure Blood pressure is the pressure on the blood vessel walls. Force on the vessel walls is highest in arteries and lowest in veins. The answer is (A).

[Q] What can lead to bullying?
Options:
- (A) Cooperation
- (B) Isolation
- (C) Damaged hearing
- (D) Perfection
- (E) Competition
- (F) negative
- (G) smoking tobacco
- (H) heat or cold
[A] Here's my solution: Competition may lead to aggressive behaviors or displays of aggression. Aggressive behavior is often first recognized as bullying behavior. Competition can result in bullying. The answer is (E).

[Q] Leaves lack what?
Options:
- (A) heat energy
- (B) heat or cold
- (C) permineralization
- (D) scattered light
- (E) secondary meristem
- (F) Plant growth is reduced
- (G) Chlorophyll
- (H) epidermis and dermis
[A] Here's my solution: Secondary meristem is located within and around the vascular tissues. Leaves lack Vascular Tissues. Leaves lack secondary meristem. The answer is (E).

[Q] What do nephrons filter?
Options:
- (A) Blood
- (B) matter
- (C) solutes
- (D) Energy
- (E) SO2
- (F) Gases
- (G) Energy.
- (H) cations
[A]
Here's my solution: Nephrons are the structural and functional units of the kidneys. Blood is filtered in the kidney. Nephrons filter blood. The answer is (A).