Answer:
Population growth, lack of supplies
Explanation:
Urbanization can impact an area, especially population growth. People could be crowded, and that supplies could run out as it is an urbanized region.
Cocaine appears to produce its effects largely by increasing the supply of the neurotransmitter dopamine at key neurons throughout the brain. The missing word is dopamine. I hope this is the answer that you were looking for.
Earthworms have no special respiratory organs. Gases are exchanged through the moist skin and capillaries
Answer:
Gram positive; Contain thick mesh wall of peptidoglycan in cell wall.
Explanation:
- Gram staining technique is used to separate the gram positive and gram negative bacteria on the presence or absence of thick layer of peptidoglycan in cell wall.
- If a bacteria contain thick layer of peptidoglycan in cell wall it will retain the primary stain crystal violet (purple) and known as gram positive bacteria.
- If bacteria don't have thick layer of peptidoglycan in cell wall the stain will wash out and it will give the pink color known as gram negative bacteria.
- Peptidoglycan is glycoprotein or Glucose+Protein.
A box full of feathers and the same size box full of rocks. They occupy the same volume but have a different mass.
(A 1 meter by 1 meter by 1 meter cube box full of feathers.
A 1 meter by 1 meter by 1 meter cube box full of rocks.)
