Ground-based radio telescopes can collect data from distant objects in space
A.
during the day or night and in any weather conditions.
B.
during the day or night and in clear weather only.
C.
during the night only and in any weather conditions.
D.
during the night only and in clear weather only.

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom