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Hydrogen peroxide ( H2O2) is a nonplanar molecule with (twisted) C 2 symmetry; this was first shown by Paul-Antoine Giguère in 1950 using infrared spectroscopy. [9] [10] Although the O−O bond is a single bond, the molecule has a relatively high rotational barrier of 386 cm −1 (4.62 kJ / mol) for rotation between enantiomers via the trans ...
The company stated that it was wanting to increase the platform's appeal to a young adult audience of users 17–24, which it stated was the fastest-growing demographic on Roblox. On June 20, 2023, Roblox started allowing games rated as only for players 17 years and over, which are permitted to have more graphic violence, romantic themes, and ...
Arizona is the sixth largest state by area, ranked after New Mexico and before Nevada. Of the state's 113,998 square miles (295,000 km 2 ), approximately 15% is privately owned. The remaining area is public forest and parkland, state trust land and Native American reservations.
From 2011 to 2021, renewable energy grew from 20% to 28% of global electricity supply. Use of fossil energy shrank from 68% to 62%, and nuclear from 12% to 10%. The share of hydropower decreased from 16% to 15% while power from sun and wind increased from 2% to 10%. Biomass and geothermal energy grew from 2% to 3%.
Google Search (also known simply as Google or Google.com) is a search engine operated by Google. It allows users to search for information on the Internet by entering keywords or phrases. Google Search uses algorithms to analyze and rank websites based on their relevance to the search query. It is the most popular search engine worldwide.
Because the IPCC uses a 20-year average to define global temperature changes, a single year exceeding 1.5 °C does not break the limit. The IPCC expects the 20-year average global temperature to exceed +1.5 °C in the early 2030s.
RMS Titanic was a British ocean liner that sank on 15 April 1912 after striking an iceberg on the ship's maiden voyage from Southampton, England to New York City, United States. Of the estimated 2,224 passengers and crew aboard, approximately 1,500 died, making the incident the deadliest sinking of a single ship at the time.
Females (generally 10–20% smaller than males) can weigh as little as 70 kg (150 lb), but can also weigh up to 125 kg (276 lb). The average weight for adults is 100 to 115 kg (220 to 254 lb). The giant panda has a body shape typical of bears. It has black fur on its ears, eye patches, limbs and shoulders.