Coal contains sulfur and other elements, like dangerous metals (mercury, leads, and arsenic) that get into the air when coal is burned. Burning coal releases particulates and cause an increase in air pollution, it also emits the amount of CO2 (carbon dioxide) in the atmosphere
Answer:
If they are different, the organism is heterozygous at that locus. If one allele is missing, it is hemizygous, and, if both alleles are missing, it is nullizygous. The DNA sequence of a gene often varies from one individual to another. Those variations are called alleles.
Organisms need nutrients to b. carry out essential life functions
Answer:
1. High spatial resolution and precise timing
2. Direct recording of neural activity
Explanation: