Heat waves can be dangerous, causing illnesses such as heat cramps and heat stroke, or even death. Warmer temperatures can also lead to a chain reaction of other changes around the world. That's because increasing air temperature also affects the oceans, weather patterns, snow and ice, and plants and animals.
Answer:
Rune Elmqvist is designated with the credits of establishing the first artificial cardiac pacemaker.
Explanation:
The answer for this question should be D) or the fourth option Protists.
