What are the two major types of ortical telescopes

The Sun is the main source responsible for heating the surface of the Earth. Is this true or false? Give reasons to support your position.

Sails on sail boats take advantage of which type of energy?

a spaceship is traveling at a speed of 15000 km/s from planet b toward planet a the spaceship sends out a signal with a wavelength og 4 nm if astronomers living on planets a and b measure the radio waves coming from the spaceship what wavelengths

How many btus of heat energy are needed to raise the temperature of 99.6 lbs of water from 50 °f to 130 °f?

In the nature-nurture debate, nature refers to the influence of the environment.

A capacitor is storing energy of 3 Joules with a voltage of 50 volts across its terminals. A second identical capacitor of the same value is storing energy of 1 Joule. What is the voltage across the terminals of the second capacitor?

The monochromatic light diffracts on the two slits which are 0.1 mm apart (their size is negligible) and produces an interference pattern on the wall which is 3 m far from the apparatus.

Which of the following statement is true regarding the study of human development?

Which type of power plant uses energy directly from the sun to generate electricity? A. Wind B. Hydroelectric C. Radiant D. Coal

What is a scientific law? an explanation that clarifies scientific observations a hypothesis that proposes an answer to a question a statement that summarizes a pattern found in nature an observation that explains a hypothesis