The continent of Antarctica spans across the South Pole. Which of the following accurately describes its climate? A. Currently the temperature is -21°C with 6 inches of snow accumulation.

B. Windy, cold and icy conditions will occur over the next week.

C. A polar desert with a history of low levels of precipitation.

D. Warmer than normal temperatures in the past 2 weeks.

Isuck at math i am no sorry

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Answerthe force between the charges will be  f/9 (one-ninth of force f)explanationcoulomb's law relates the magnitudes  two point charges q₁ and q₂, the distance, r, between the charges, and the electrostatic force, f, between the two charges:     k represents coulomb's constant, k = 8.99×10⁹ n·m²/c².note that if we have r = 3r, then   

How is it possible that phylogenies based on sequences from nuclear genomes and organellar genomes (i.e., chloroplasts and mitochondria) from the same group of species yield phylogenetic trees with different branching orders?   answer :   the genome of the endosymbiont is more closely related to members of the group in which it originally evolved, while the nuclear genome of the engulfing organism has its own evolutionary trajectory.