Answer:
You can replace "sum" with an addition sign.
Explanation:
sum=add together
The correct answer is A.
It makes most sense than the others.
Hope this helps
Answer:
High levels of beta-amyloid in the brain increase the risk for developing Alzheimer's disease. Researchers hope that early intervention in individuals at increased risk of developing Alzheimer's will prevent cognitive decline. The estimated completion date for the study is July 2022.
Explanation:
What will happen to someone with Alzheimer's in the future?
As the condition progresses, memory loss will increasingly tend to interfere with daily life, as sufferers begin to misplace items around the house, forget appointments or anniversaries and struggle to find the correct words in conversation. Eventually, they may become lost in familiar places or on familiar journeys.
Answer:
No, not if it's something you have never heard of. You should always check the security certificate of any website you visit. Just because it has a company listed, does not mean it's a legitimate company, or that the site is safe. You can also think yourself, does it seem suspicious or sketchy?
Explanation:
