If it is during a single cell cycle, 2 daughter cells will be created.
Answer. A
Explanation: The medications used in the treatment of PTSD helps to alter stressful situations in people with PTSD. These medications includes:
1. Antidepressants which helps symptoms of depression and anxiety.
2. Prazosin which helps to reduce nightmares in people with PTSD
He tells her that often scientists do not favor pyramid of biomass because obtaining biomass requires advanced technology
The option C is correct.
Explanation:
The pyramid of biomass is the measure of the amount of biomass of living organisms present at every trophic level or unit area.
The biomass of pyramid is often not preferred by scientist because calculating the biomass is a tedious process.
It requires the heating of dead organism at high temperatures until a dry mass with constant value is obtained.
Although for biomass the size of the organism is taken into account but obtaining biomass requires advance technology.
The rate of biomass increase in organism in growth period is also tedious to measure.
Answer:
The problems that can be caused by Expansion or Contraction a;long with the solutions are:
Explanation:
- The railway tracks made of steel expand during the summer and contract during the winter. This can cause them to become curved during the summer thereby causing rail derailment.In order to prevent this, an air gap is kept in between the railway lines so that they get the space to expand without getting curved.
- The electric wires linking the telegraph posts are made up of metals and so they expand in the summer and contract in the winter, which can cause them to tear. This is why the wires are loosely fixed so that they can expand and sag in the summer and contract and tighten in the winter.
- Bridges are constructed with joints where some space is maintained to allow the easy expansion and contraction in summer and winter respectively.
