In rails, what is the primary function of activerecord? (choose the best answer)

What is true of a rock layer that has had another rock layer deposited on top of it?

The Institutional Review Board Committee's major concerns are protecting human research participants from physical or mental harm, as well as protecting the researcher from unnecessary complaints. a. True b. False

Blood is known as the universal recipient, which means it can receive all blood types during a transaction a. Type A b. Type B c. Type AB d. Type O

Which is most accurate with regard to why the purging and nonpurging subtypes of bulimia nervosa were removed from dsm-5?

An anthropologist discovers the fossilized heart of an extinct animal. The evidence indicates that the organism's heart was large, was well-formed, and had four chambers, with no connection between the right and left sides.

Which two actioms happens when bonds in ATP moecules are broken

Explain how inherited cancer alleles can lead to a predisposition to certain cancers.

Which organelle is responsible for poviding a barrier?

Which of the following are outputs of the process of photosynthesis? A. Energy from food and oxygen B. Energy from the sun, carbon dioxide, and water C. Nutrients from food and oxygen D. Food and oxygen

Which of the following are examples of ways humans and plants have coevolved? Pick all that apply A. Humans have bred plants to use as food B. Plants provide a source of nitrogen C. Humans aid in pollinating plants D.