(4) produce new varieties of domestic animals
Although (1) (2) and (3) are modern-day uses of selective breeding, they are relatively recent developments in human history, only used for the past century or less. (4) is correct because the selective breeding of domestic animals to produce new varieties of dogs, cats, etc. has been used for thousands of years, dating back to the ancient Chinese and Egyptian dynasties.
Density of water is highest at 4 degree celsius so, when it decreases below 4, it decreases
Hope this helps!
A is moving away quickly, B is at rest, C is moving away slowly, D is moving toward reference point I guess
Answer: 1. Those eggs are more vulnerable than us making the need for p[protection against viruses extremely necessary
2. research while those vaccines failed and create one that resists its previous versions faults
3. A spike is always included to make your immune system resistant just in case that 99.9% works all the time rate fails to succeed.
4. the two vaccines being researched for the C o v i d - 1 9 pandemic include the P f i z e r B i o N T e c h C O V I D - 1 9 vaccine ad the M o d e r n a s C O V I D -1 9 v a c c i n e.
5. I am not a doctor just a senior in high school I would tell them listen to the professionals that have experience in that area.
Explanation: if your wondering why i spaced the names its because they wont let you type them connected hope this helps:)
