Answer:
The ecological effects of acid rain are most clearly seen in aquatic environments, such as streams, lakes, and marshes where it can be harmful to fish and other wildlife. As it flows through the soil, acidic rain water can leach aluminum from soil clay particles and then flow into streams and lakes.
Explanation:
The two substances that scientists use are
carbon-14 and carbon-12
Answer: Operant speech training
Explanation:
Autism Spectrum Disorder is developmental dysfunction that leads to notable social, communication, and behavioral challenges.
Operant speech training is a plan employed to make children makes use of language appropriately, it is mostly used for aiding speech in Autism Spectrum Disorder (ASD).
This approach involved the step by step procedures of increasing child’s vocalization, imitation of sounds and words, teaching the child the meanings of words, and teaching the child. how to use language to label objects. And how to express languages to make verbal requests and desires