Many conifers are adapted to snowy, cold and, dry weather because A. They have deep tap roots

B. Snow slides easily off their leaves

C. They all SHES their leaves in the winter

D. They lose water readily through the leaves

B. Snow slides easily off their leaves

Explanation:

Conifers or cone-bearing trees have needle-shaped leaves that help in preventing water loss, and conifers easily adapted to snowy, cold and, dry weather.

Conifers trees have thick bark and cone or needle-shaped leaves that allow snow to slide easily off their leaves. Pine cones protect the seeds during the harsh winter.

Hence, the correct answer is "B. Snow slides easily off their leaves".

New discoveries in the treatment of cancer do not only centre on conventional medicine. In our haste to get to grips with a cure for cancer, natural products may be overlooked and dismissed in the fight against such an aggressive disease.

In December, the Academy of General Dentistry reported that a new study had found that simply swishing green tea around the mouth halts the growth of new oral cancer cells and breaks down and kills existing oral cancer cells. The antioxidants (polyphenols) in the tea work to remove the free radicals or oxidants and prevent gene mutations, and as an added bonus, the polyphenols can kill cancerous cells without harming normal cells and inhibiting their growth. Similarly, a chemical found in tomatoes may prevent or treat oral cancer and one derived from soybeans has been found to shrink abnormal growths that lead to cancer. While these are not cures, their activity may in the future lead to therapies that compliment conventional treatment modalities.

Perhaps combining ancient remedies with Western scientific advances is the way forward to finding an effective cure for cancer. Combrestatin – a cancer-fighting drug made from the bark of an African tree – is performing with dramatic effects in tests. The active ingredient extracted from the bark attacks the blood vessels that grow with tumors, while leaving normal blood vessels alone.