Separation of homologous chromosomes in meiosis I because it produces 2 haploid (n) daughter cells from a single diploid (2n) parent cell
Answer:
primary, secondary
Explanation:
primary immunodeficiency diseases are present at birth and usually stem from genetic errors, whereas secondary immunodeficiency diseases are acquired after birth and are due to agents such as infections, irradiation, or steroids
Through a cut or an injury where any skin has been broken.
An infection through an animal's bite or sting.(Like the West Nile Virus which spreads though mosquito bite, or Rabies though an infected mammal's bite).
Can be inhaled or consumed and go from the lungs into the other organs causing harm internally.
Take antibiotics, see a doctor, take heed of surroundings
Glacier because ice sheet and stuff and science ill explain more in the comments
