Malaria is a disease that is spread by mosquitoes. Mosquitoes lay eggs in stagnant water. Which of the following methods would help to control the number of mosquitoes? (i) Taking medicines that prevent malaria.

(ii) Put a thin film of oil on the surface of the water in a big pool.

(iii) Keeping the surroundings dry.

(iv) spraying chemical that kills insects.

Only (i)

Only (ii) and (iii)

Only (i), (ii) and (iii)

Only (ii), (iii) and (iv)

only ii,iii,andiv

Explanation:

hope that will help

his week a heat wave will be hitting, and most of the country will be experiencing temperatures above average for july. due to humidity, the temperature outside can feel even warmer than it actually is. this adjusted temperature, often referred to as the “feels like” temperature is called the heat index. the chart shows the heat index, which is calculated based on temperature and relative humidity. use this chart to answer the following questions.  

d would be your answer