Buenas noticias para las ballenas grises

What has improved for the gray whales living near the west coast according to U.S. experts?

• Their size is getting bigger

• Their population is increasing

• Their migration distance has shortened

• Their speed of swimming has increased

How many gray whales were believed to exist last year?

• Between 10,000 and 12,000

• Between 13,200 and 15,960

• Between 20,000 and 22,000

• More than 25,000

What was the estimated number of gray whales in 2016?

• About 15,000

• About 20,000

• About 30,000

• About 25,000

During what period did a significant number of gray whales die?

• From early 2019 to late 2021

• From late 2018 to late 2020

• From late 2016 to early 2018

• From early 2015 to late 2017

How many dead gray whales were found during the mentioned period?

• About 350

• About 500

• About 690

• About 800

What is the usual number of gray whale deaths in the United States each year?

• About 15

• About 35

• About 50

• About 70

Why did many gray whales die according to experts?

• Due to hunting

• Due to pollution

• Due to difficulty finding food

• Due to global warming

What year were gray whales considered to no longer need special care?

• In 1994

• In 1990

• In 1984

• In 2000

How far do gray whales migrate?

• 12,000 miles

• 8,000 miles

• 10,000 miles

• 5,000 miles

what is the most dangerous thing to the ocean?

• land animals

• Pollution

• marine life

• humans