The planet which is easily visible from the Earth is?

1. The position of an element in the Periodic Table is determined by its __________ number.

A. Electron

B. Proton

C. Neutron
D. Positron

2. The salinity of sea water is determined by the amount of common salt (Sodium Chloride) in __________ of sea water.

A. 1 gram
B. 10 grams

C. 1 kg

D. 10 kg

3. The planet which is easily visible from the Earth is? 

A. Mercury

B. Venus

C. Mars
D. Jupiter