Which of the following involves using natural resources to make synthetic products? A. Agriculture
B. Mining
C. Mining
D. Urbanization

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Classify this reaction: 2al+n2-> aln.

The reactions of photosynthesis occur in the of plant cell? a.mitochondria. b. lysosomes. c. chloroplasts. d. chlorophyll