Washington: President Joe Biden will sign 10 executive orders on Thursday to fight the coronavirus pandemic, including directing that disaster funds be used to help reopen schools and requiring that people wear masks on planes and buses, officials said.Biden, a Democrat who took over from Republican President Donald Trump on Wednesday, has promised a fierce fight against the pandemic that killed 400,000 people in the United States under Trump's watch."We’re entering what may be the toughest and deadliest period of the virus and must set aside politics and finally face this pandemic as one nation," the president said in his inauguration speech.One order will require mask-wearing in airports and on certain modes of public transportation,.