Answer:
d. measuring temperature
c. heavier rainfall and flooding
Step-by-step explanation:
A weather radar uses radio waves to study the clouds of a storm. When a radio wave is passes through clouds when the wave is received back by the radar there are some changes in the properties of the wave. This differnce is measured and its analyis helps us to gain knowledge of the clouds.
The thermometer measures temperature.
Global warming is the phenomenon that causes the Earth to heat up due to the entrapment of heat by greenhouse gases. As the heat increases sea levels rise due to the excessive melting of the ice caps and the ice in the mountains.