Biology
The exchange of gases oxygen and CO2 happens in:
A. The bronchi
B. The bronchiole
C. The alveoli
D. The diaphragm
C. The alveoli
What does the Arabic word “Xay” mean?
The Thing
What happens if a defender steps on the goalkeeper area in handball?
Penalty
Choose the correct one for ion calcium
a) 40 protons, 20 neutrons, 2 electrons
b) 20 protons, 20 neutrons, 20 electrons
c) 40 protons, 20 neutrons, 22 electrons
d) 20 protons, 20 neutrons, 18 electrons
d) 20 protons, 20 neutrons, 18 electrons
The oxygenated blood from the lungs goes to the heart through:
A. The right atrium
B. The left atrium
C. The right ventricle
D. The left ventricle
B. The left atrium
The development of algebra in _____ was fuelled by Arabic knowledge.
A.- Europe
B.- Africa
C.- America
D.- Asia
A.- Europe
How many players has a handball team on the court?
7
Calculate the molecular mass of CaCO3
(Data of atomic masses: Ca:40, O:16, C:12)
100
The oxygenated blood goes to the heart through the:
A. The right atrium
B. The left atrium
C. The right ventricle
A. The right atrium
How many problems does the oldest Chinese mathematics book contain?
A.- 246
B.- 84
C.- 1.235
D.- 9
A.- 246
How far is the discontinuous line from the goal in handball?
9 meters
TRUE or FALSE:
Metals gain electrons and form ions with a positive charge
FALSE
The vessel that transports oxygen from the heart to the organs is:
A. The vena cava
B. The aorta artery
C. The renal vein
D. The renal artery
B. The aorta artery
In ancient Mesopotamia and Egypt, people practised “rhetorical algebra” using…
A.- Numbers
B.- Letters
C.- Words
D.- Shapes
C.- Words
In handball, what player is the strongest in each team?
Pivot
Type of bond where electrons are shared between atoms
The left atrium receives oxygenated blood through the:
A. Aorta artery
B. The vena cava
C. The pulmonary artery
D. The pulmonary vein
D. The pulmonary vein
How were mathematical problems solved in Babylonia?
They solved them by using guesswork.
What national team is the current european champion?
Sweden
Atoms with same number of protons but different number of neutrons
Isotopes