Lenses can be found in a variety of objects. Which example does not contain a lens?

A.

a magnifying glass

B.

a telescope

C.

chemical safety goggles

D.

a microscope

What is the 3 main gases in the greenhouse affect i will give out a brainliest to the best answer

Your gender, whether you are male or female, is determined by the? A) x or Y chromosomes, inherited from father B) x or Y chromosomes, inherited from your mother C) two of the 22 pairs of chromosomes your inherited D) chromosomes from your mother

How much heat energy is required to boil 87.7 g of ammonia, NH3? The molar heat of vaporization of ammonia is 23.4 kJ/mol.

how many significant figure does 60600 have?

What happens to the mass number of a nucleus that emits an alpha particle?

A certain ore is 34.4% nickel by mass. How many kilograms of this ore would need to dig up to have 30.0g of nickel?

Are the chemical reactions that take place when a battery connected endothermic or exothermic

What are 3 properties of carbon?

A (1. pathogen 2. Germ 3. Bacterium) is an agent that causes disease. All (1. bacteria 2. fungi 3. Viruses) are pathogens.

Calculate the solubility (in g/l) of calcium fluoride in water at 25°c if the ksp for caf2 is 1.5 * 10-10.