Generally, the valence electrons determine most of an atom's chemical properties
True. The pushing of sand into one area leads to mounds of sand called sandbars.
The right option is 5) rating
scales and frequency counts
Personality assessment is the
measurement of personal characteristics of an individual. Personality
assessments conducted by behaviorists sometimes make use of rating scales and
frequency counts as they allow easy characterization of people and their
behaviour.
Answer:Trees and other green plants are the source of energy for all animal life to live and grow. Through the process of photosynthesis plants change light energy from the sun into chemical energy that is stored in the plant as carbohydrates (sugars) as it grows
Explanation:
Answer:
PCBs and DDT are chemicals that were banned more than 30 years ago, but our air, water, land, and bodies are so contaminated that decades of cleanup efforts have yet to eliminate their threats to our health. Today, food is one of the most likely exposure routes to PCBs.
