Answer:
i am not sure but probaby d
Explanation:
The correct option is BY CONDUCTING EXPERIMENTS THAT EXPOSE THEIR PROPERTIES.
Scientific investigations are always ongoing in all parts of the world, scientists strive to build on existing knowledge by carrying out more experiments that are targeted at obtaining more information above that which is already known.
Answer:
a paintbrush made from horse hair
Explanation:
Beta decay is form of radioactive decay caused by the weak nuclear force, in which a beta particle is emitted. In beta-minus decay, a neutron in an atomic nucleus decays into a proton, an electron, and an antineutrino.
