1.what is matter?

matter is a compound
matter is anything that is made of organic substance and is found on the earth
matter is an element
matter is anything made up of atoms and that has mass

2.which statement best describes electrons?

electrons have a positive charge
electrons orbit around the nucleus
electrons in the nucleus
electrons are composed of protons and neutrons

3.two or more atoms can be held together through

protons
energy
neutrons
electrons

Which describes an image that can be produced by a concave lens? the image is real and smaller than the object. the image is virtual and larger than the object. the image is virtual and smaller than the object. the image is real and larger than the object.

Need in all of themmm only answer if you know plsssss

Give your knowledge of these things in your paper, you will compare and contrast analog and digital signals to determine which is more reliable for encoding and transmitting information. you’ll compare these features: signal shape numerical values for signal measurements amount of data that can be transmitted energy requirements privacy and security (ability of the signal to be encoded in a secret code) clarity of signal in the space provided, write down what you already know about any of these features. if you’re not sure, write down questions you might have about the features.