There's been a lot of bad news for polar bears recently. In 2007, for example, scientists reported that if global warming continues unabated, the population could drop two-thirds by 2050.
Answer:
D. ghost fishing
Explanation:
The nets are also called "ghost nets" being left behind or lost in the ocean by fishermen.
Also, never leave nets in the water. Our Earth needs healing.
Answer:
Humans have nearly 30,000 genes that determine traits from eye color to risk for hereditary diseases. Those genes sit along six feet of DNA, which are organized into chromosomes and stuffed into each and every human cell. Chromosomes are coiled into loops and then organized into many large domains called topologically associating domains (TADs).
Explanation:
The abdominal cavity does not have a bony protection. The abdominal cavity is barely an unfilled space. It comprises a quantity of critical body organs containing the subordinate portion of the esophagus, the stomach, the small intestine, the colon, the rectum, the liver, the gall bladder, pancreas, spleen, kidneys, and bladder.
