The other type of cacti are jungle cacti, and they do need humidity. These plants are more succulent-looking, and lack real spines, similar to 'Christmas' cactus. If this is the type you have, they like a bit more water, and during spring and summer, water plentifully to keep the potting mixture thoroughly moist.
There are about 3-4 million animaks euthanized each year by shelters. There actually are about 4-6 million animals euthanized in shelters in America each year. The above are just estimates. Shelters don't always keep accurate records, and no thorough surveys have been done. No one knows the real numbers.
Answer Wiki. , B.A. in History. Astoundingly, it's estimated that nearly 750,000 domesticated animals, mostly cats and dogs, were euthanized in Britain over the course of one week at the start of WWII... 3/4 million pets in one week. In the summer of 1939, just before the outbreak of war, the National Air Raid Precautions Animals Committee (NARPAC) was formed.