Questions

The trajectory of the bullet is a parabola

FALSE. Each hemoglobin molecule can transport four molecules of oxygen.

Hemoglobin, or Hb, is a protein molecule found in red blood cells (erythrocytes) made of four subunits: two alpha subunits and two beta subunits. Heme the component of hemoglobin responsible for binding oxygen consists of an iron ion that binds oxygen and a porphyrin ring that binds the globin molecules, one molecule binds one molecule of oxygen and can bind up to four oxygen molecules.

Pneumonia is a lung infection which is usually caused by a bacteria or virus or fungi in one segment or the whole lung or both lungs. Lobar Pneumonia refers to a lung infection in which it affects the large segment of the lung or lobe.

Electrons orbit around the nucleus is correct about them.

Washing soda is the common name for Sodium Carbonate (Na2CO3). It is also called as Soda Ash.