How is the modern periodic table organized as one goes across a row from left to right?

A) by decreasing number of valence electrons

B) by increasing number of neutrons

C) by increasing atomic number

Eliminate

D) by increasing atomic mass

Megan wants to see if mice that are fed food A or B grow at a faster rate. She measures the mass of the mice on day 1, then divides them into two groups based on the type of food they will be given.

A tree is standing in the middle of a meadow. As you watch, the wind begins to blow and the tree bends. Which statement best explains how you could tell that a net force was acting on the tree? OA) The tree had momentum.

What gas law looks at the relationship between volume and temperature? A) Boyle's Law B) Charles' Law C) Gay Lussac's Law

A tugboat is pushing a barge in to a harbor. The barge is exerting a force of 3000 N against the tugboat. which force would most likely allow the tugboat to move the barge into the harbor

Summarize the general theory of relativity.

A train leaves the train station at noon and travels at a constant speed of vt = 50 mi/hr on a straight track. 2 hr later, a car leaves the same train station and travels in the same direction at vc = 70 mi/hr on a road next to the train track.

The radius of the sun is about 700,000,000 meters, the radius of the planet Venus is about 6,000,000 meters, and the radius of the supergiant star Betelheuse is about 500,000,000,000 meters. Which of these statements is true (t) or false (f) ? A.

A cat starded at a distance of 5.4 m from your front door and began walking directly away from it. 2 minutes later, the cat was 9.3 m from your door if d is distance of the cat from the door what is d

A. True b. False: If you lose engine power or control and cannot get completely off the road, turn on your emergency flashers.

Explain the difference between charging by induction and charging by contact.