Answer:
Recent brain research indicates that birth to age three are the most important years in a child's development.
Explanation:
You know you are happy if you feel good. If you are content where you are in life and you don't have troubling thoughts.
Answer: Interferons
Explanation:
Interferons can be defined as the cells that is already being virus affected and they release some chemicals out of it in order to prepare the cells or to enhance the cells for anti-viral response.
The cells a group of signaling proteins which is being released by the host cells in response to the presence of virus in the body.
Chemically they are cytokine molecules which is used as a defense mechanism to protect the other cells of the body from being infected.
Certain response like fever, muscle pain are caused by the interferon.
Opiates, come from poppy seeds; they are narcotic pain medications used to treat mild to severe pain. Ex of some medications that are opiates, are, morphine, hydrocodone, OxyContin, codeine, etc.
The oxygen in the upper atmosphere combine to form ozone layer (o3) that allows to colonize surface water.
Explanation:
The fossil stomatolites are formed at about 3.0 ga laminated bacteria. they form the sediments to fall into a thin film of bacteria, these bacteria binds with the sediment and grows through it.
Cynobacteria uses water, CO2 and sunlight to create their own food and produce oxygen as a by product. The significance of stromatolites is that they are earliest fossil evidence life on earth.
They were first organism to photosynthesis and produce oxygen.
