Answer:
A. Allele frequency
Explanation:
Allele frequency is the fraction or percentage of a specific allele in the total number of alleles in a population.
World's Top 10 Toxic Pollution Problems
Lead-Acid Battery Recycling. ...
Mercury and Lead Pollution from Mining. ...
Coal Mining (Sulphur Dioxide and Mercury Pollution) ...
Artisanal Gold Mining (Mercury Pollution) ...
Lead Smelting. ...
Pesticides Pollution from Agriculture and Storage. ...
Arsenic in Ground Water. ...
Industrial Waste Water.
Answer:
There three types of bees typically found in a colony i. e. workers, queens and drones.
Explanation:
Queens are the bees which lays thousands of eggs and give birth to bees. Drones are the male bees while workers are infertile bees which makes honey, wax, feed baby bees and do other works of the colony.
Answer:
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Explanation:
Humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.
Answer:
(B)
Explanation:
Cells make up tissues, tissues make up organs, and organs make up organ systems.