25.The Government of Nigeria has recently joined the microblogging platform Koo, that was developed in which country?

[A] China
[B] India
[C] USA
[D] Russia

which of the following statements accurately describes nuclear fusion reactors?

a) Fusion reactions require very high temperature

b) Nuclear fusion occurs in Earth's crust.

c) Fusion reactions can fuse three isotopes of hydrogen into one helium.

d) Fusion would be a more advanced technology if governments had provided some money for research or if attempts to develop it were more than just a few years old.

A new treatment is developed that prevents death but does not produce recovery from disease. Which of the following will occur?

a) Incidence will decrease

b) Incidence will increase

c) Prevalence will decrease

d) Prevalence will increase

In a randomized controlled trial, patients with meningitis who were treated with corticosteroids had lower rates of death, hearing loss, and long-term neurological effects. Which of the following is a randomized comparison?

a) Patients who remained for the duration of the trial versus those who dropped out after randomization.

b) Patients who responded to the disease versus those who did not.

c) The sample of patients who took the drug before being randomized and developed the disease.

d) The sample of patients who, at the time of randomization, were severely affected by the disease