The woman was treated by medical staff for injuries including multiple puncture wounds and lacerations to her shoulder.
Discarded face masks are frequently being found lying on beaches in Brazil, local marine conservationists have said.
Large numbers of great white sharks gather in the waters off the the Canadian province every year in the late summer and fall.
Over the past decade, the waters off Cape Cod have become one of the world's great white shark hotspots.
The bite was the second most powerful of any animal on Earth.
Chris Black, an Australian shark expert, said the attack was a "freak incident."
"When you see the state of her body, you know she is going to die," said Arnaud Gauffier from WWF France
The cumulative amount of plastic in the ocean by 2040 could reach 600 million tons, according to a report.
Eyewitnesses believe the shark was a great white, although this has not been officially confirmed.
Tiger sharks travel large distances, often crossing regional, national and international boundaries.
Mercury is a potent neurotoxin that can lead to neurological damage.
New findings could have implications for how coral reef island communities adapt to climate change and rising sea levels.
Scientists recorded the video as part of research to conduct an accurate population survey of the animals that nest at the world's largest green turtle rookery.
"As a hybrid oceanographer and astronaut this was an extraordinary day," Kathryn Sullivan said after reaching Challenger Deep.
Unama'ki turned away from the waters off the eastern U.S. coast and started heading deeper into the ocean at the start of April.
Crustaceans emit a wide array of sounds underwater, like many other marine animals.
Microplastics are ubiquitous in the marine environment. However, accurately classifying and quantifying them in the oceans has proven challenging for researchers.
Whale sharks are the largest fish in the oceans, growing to around 30 feet in length on average.
The bizarre creatures are colloquially known as "Elvis worms" due to their shiny scales being reminiscent of the King of Rock's famous sequinned suits.
"We keep putting millions of tonnes of plastic into the ocean every year. This research shows that it is not going to stay there forever. The ocean is giving it back to us," said researcher Steve Allen.
"It's just pretty spectacular," said Venice resident Paige Taylor. "I've seen it maybe once every five years."
Researchers say the journey could reveal a new white shark nursery.
Scientists, religious leaders and entrepreneurs are calling to "flatten the curve" of climate change's negative effects, as the COVID-19 lockdown has seen air quality skyrocket and industrial pollution decline.
"I couldn't believe it. I had to replay it many times," said researcher Andréa Thiebault.
For centuries, ambergris has been highly prized for its unique for its use a perfume ingredient.
The female shark measures around 15 feet and 5 inches in length and weighs more than 2,000 pounds.
"The ocean floor is just as variable and interesting in its geology as the continents," planetary scientist James O'Donoghue said.
It is estimated that around eight million tonnes of plastic makes its way into the planet's oceans every year.
The oceans absorb vast amounts of heat and it is causing global average sea temperatures to rise. The last ten years (and 2019 in particular) have been the hottest on record.