Fingernails and muscles are made of proteins, which are polymers of

Explain why its possible for noble gases to exist in nature as isolated elements and not part of a compound

The first scientist on record to attempt the measurement of the speed of light was Roemer Nicholson Galileo

Protons and Electrons attract each other because they are oppositely charged. Protons are positively charged, and electrons are negatively charged. Question 3 options: True False

Which mineral property describes how minerals interact with light?

An object is moved from a room at a temperature of 70 ºF to a room at a temperature of 90 º F. What happens to the object when it's placed in the room with a higher temperature?

Which of these is not a source of the shock waves that lead to protostars?

Which kind of information is known about a person if that person's DNA is in a database? A. how old the person is B. where the person was probably born C. some diseases the person might have D. whether the person is likely to commit a crime

A science teacher ran a marathon. After the race she showed her students the silver blanket she was given to keep her warm. A group of students investigated how the colour of the blanket affected how much infrared radiation is absorbed

Students asked to measure the temperature of a reaction beaker recorded the following temperatures. 103.7°C, 108.4°C, 105.8°C, 104.6°C The actual temperature is 105.1°C. Which measurement is the most precise

Two atoms that are isotopes of one another must have a different number of what? electrons neutrons protons all particles