By 1957, Alexander was already radicalised and a member of the Cape Peninsula Students' Union, an affiliate of The Non-European Unity Movement<span> of South Africa.</span><span> He joined the African Peoples Democratic Union of Southern Africa (APDUSA) which was established in 1960. However he was ejected from APDUSA in 1961 and with </span>Dulcie September<span>, </span>Ottilie Abrahams<span>, and </span>Andreas Shipinga<span>, among others, formed a study group of nine members in July 1962, known as the </span>Yu Chi Chan Club<span> (YCCC); Yu Chi Chan is the Chinese name for guerrilla warfare, which </span>Mao Zedong<span> used. The YCCC disbanded in late 1962 and was replaced by the National Liberation Front (NLF), which Alexander co-founded. In July 1963, he, along with most members of the NLF, was arrested. In 1964, he was convicted of conspiracy to commit sabotage. From 1964–1974 he was imprisoned on </span><span>Robben Island</span>
Answer: The first sentence
Answer:
I believe it is participle.
The piece of information is supported with text features are the main steps needed to protect all city residents from the harmful effects of pollution.
The introduction of pollutants into the environment's natural systems that have a negative impact is pollution. Any material (solid, liquid, or gas) or energy can be considered a kind of pollution (such as radioactivity, heat, sound, or light). The elements of pollution, or pollutants, can be either naturally occurring toxins or substances or energy from outside the body.
The term "pollution" often suggests that the pollutants have an anthropogenic source, which is a source made by human activity, even if environmental contamination might be brought about by natural processes. Air pollution, light pollution, noise pollution, plastic pollution, soil contamination, radioactive contamination, thermal pollution, visual pollution, and water pollution are some of the most prevalent types of pollution.
Hence the correct option is D
To know more about Pollution here
brainly.com/question/16101020
#SPJ1