Answer:
It's b
Explanation: She is in her early 40s and taking care of the upbringing of her young children and assisting her aging parents
During this time humans used stone to make tools and stone was used many times as part of the actual tool. Tools are objects that make our lives easier. A computer or smart phone are examples of modern-day tools. Paleolithic is a word that comes from the two Greek words palaios, meaning old, and lithos, meaning stone.
Answer:
Aspirin can be described as a drug which shows anti-inflammatory and analgesic actions. It is one of the most widely used drugs. Aspirin inhibits the COX-1 (cyclooxygenase-1). Cyclooxygenase (COX) is the enzyme which is known to cause inflammation, aches, swellings fever etc by forming prostaglandins (PGs). Hence, aspirin works by inhibiting this enzyme. Aspirin also inhibits COX-2 from the production of prostaglandins but it allows the COX-2 enzymes to produce lipid mediators.