The nucleus of an atom contains protons and neutrons. true or false

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

Rick is on a bicycle trip. every 4 days he bikes 230 km. if rick keeps this same pace for 16 days, how many kilometers will he bike?

Give the brainliestwhich parts of the scientific process differentiate it from pseudoscience? check all that apply. stating facts based on opinionsusing models and experimentsasking new questionsmaking subjective claimshaving explanations that answer all questionsi need more than one answer