Q: Answer the following question given this paragraph: Looking at the magnetism of the seafloor, scientists discovered something astonishing. Many times in Earth's history, the magnetic poles have switched positions. North becomes south, and south becomes north! When the north and south poles are aligned as they are now, geologists say it is normal polarity . When they are in the opposite position, they say that it is reversed polarity . Q: What is it called when poles are in opposite positions? A:

OPTIONS:
- reversed bonding
- polar effect
- demagnetization
- reversed polarity

A: reversed polarity

input: OPTIONS:
- momentum
- force
- acceleration
- velocities Now, answer this question: Answer the following question given this paragraph: If you've ever seen a kayak move down a fast-moving river, you know that remaining in the same place would be hard. The river current pulls the kayak along. Pushing the oars back against the water can move the kayak forward in the water, but that only accounts for part of the velocity. The kayak's motion is an example of classical addition of velocities. In classical physics, velocities add as vectors. The kayak's velocity is the vector sum of its velocity relative to the water and the water's velocity relative to the riverbank. Q: The kayak's motion in the water is an example of classical addition of what? A:
A:
output: velocities

Answer the following question given this paragraph: The deBroglie wave equations allows calculation of the wavelength of any moving object. Q: What type of equations allows calculation of the wavelength of any moving object? A:

OPTIONS:
- fluctuations wave
- disc wave
- develpoment wave
- debroglie wave

Answer: debroglie wave

Problem: OPTIONS:
- chest
- antennae
- appendages
- abdomen
Q: Answer the following question given this paragraph: Most arthropods have three body segments. The segments are the head, thorax, and abdomen. You can see the three segments in a range of arthropods in Figure below . In some arthropods, the head and thorax are joined together. Q: The three segments of arthropods are the head, thorax and what? A:
Answer: abdomen

Problem:OPTIONS:
- elastases
- lipase
- amylase
- lactase

Answer the following question given this paragraph: Chymotrypsin is found in the small intestine and catalyzes the hydrolysis of peptide bonds following aromatic amino acids. Lactase is found in the small intestine and catalyzes the hydrolysis of lactose. Pepsin is found in the stomach and catalyzes the hydrolysis of peptide bonds, primarily those that occur after aromatic amino acids. Maltase is found in the small intestine and catalyzes the hydrolysis of maltose. Q: What enzyme is found in the small intestine catalyzes the hydrolysis of lactose? A:
****
A: lactase

Problem:OPTIONS:
- trails
- flat surfaces
- bodies of water
- three-dimensional shape

Answer the following question given this paragraph: Indeed, scientists discovered something astonishing. Many times in Earth's history, the magnetic poles have switched positions. North becomes south and south becomes north! When the north and south poles are aligned as they are now, geologists say it is normal polarity. When they are in the opposite position, they say that it is reversed polarity. Q: What feature of the land do contour lines show? A:
****
A:
three-dimensional shape