A particular plant species has numerous fruits and no visible seeds. Which of the following could it be?

a. Pteridophyta

b. Angiosperm

c. Bryophyta

d. Gymnosperm

How many elements have scientists named?

The standard unit for measuring volume is the --

Two cities, A and B, use the same number of identical wind turbines to generate power. City A has a steady wind speed of 10 knots.

Mark is biking a a velocity of 20 m/s and has a mass of 70kg what is his momentum

Two shopping carts are pushed with the same amount of force. The shopping carts have the same mass. Shopping cart A is pushed with three times the force as shopping cart B.

Which of the following statements concerning Howard Gardner's multiple intelligences is not correct? A. Gardner is not interested in assessing levels of intelligence. B. Gardner has based his theory on research in various areas of psychology. C.

The force of attraction between two oppositely charged pith balls is 5.3 * 10-6 newtons. If the charge on the two objects is 6.7 * 10-9 coulombs, what is the distance between the two charges? (k = 9.0 * 109 newton·meter2/coulombs2)

To describe velocity you need to know?

Mohammed made a chart to list examples and nonexamples of projectile motion. Which best completes the chart? a - a football thrown in the airb - a kite flying on a stringc - a golf ball rolling off a table d - water spraying from a fountain

Halley's Comet appears around the sun about once every 76 years. It passes through the part of its orbit nearest the sun in just a few months but then moves out to great distances and takes more than half a century for the rest of its orbit.