Ferns are examples of spermatophytes which have stems growing side ways
I assume your are talking about Ursa Major and Ursa Minor, the constellations. Ursa Major has 21 visibly bright stars and Ursa Minor has 7. So there is a 14 star difference. Hope this helps!
Thank you for posting your question here at brainly. After the 1600s, the observations of light being refracted change the way most scientists thought about light is by they <span>began to believe that light acted as waves. I hope the answer helps.</span>
Answer: Air Pollution, plastic waste pollution, and toxic sludge dumping
Explanation: These factors of human society harm nature and negatively affect ecosystems.