Selenium is most likely A SEMI CONDUCTOR. The correct option is A. Substances which are semi conductors are able to conduct electricity to a limited extent. Their conductivity ability can be improved by adding other types of element or material to them.
Answer:
Testable
Explanation:
A good hypothesis must always be testable.
Carbon cycle shows is the continous movement of carbon in elemental and combined states on earth.
Steps :-
☆ Carbon moves from the atmosphere to plants. ...
☆ Carbon moves from plants to animals. ...
☆ Carbon moves from plants and animals to soils. ...
☆ Carbon moves from living things to the atmosphere. ...
☆ Carbon moves from fossil fuels to the atmosphere when fuels are burned. ...
☆ Carbon moves from the atmosphere to the oceans.
~ Benhemin360
Answer:
» e. Electrons and protons
Explaination :
Electrons are negatively charged and protons are positively charged.
- The neutrons do not have a charge.