In DNA, the designations 5 and 3 refer to A. the carbon or nitrogen atom on a base is closest to a particular end of a strand B. the covalent bond between the 3rd and 5th carbon atoms of deoxyribose C. Hydrogen bonding between bases and deoxyribose D. the carbon atom in deoxyribose sugar ring that is attached to a phosphate group or a hydroxyl group, respectively With falsification and justification of each part.

1. in JavsScript we have folders and files. Which folder would these two codes go under and what
file
SELECT locations.*, AVG(ratings.rating) as avg_rating
FROM locations
JOIN location_foods ON location_foods.location_id = locations.id
JOIN foods ON foods.id = location_foods.food_id
LEFT JOIN ratings ON ratings.location_id = locations.id
WHERE foods.name = 'pizza'
AND NOT EXISTS (
SELECT 1
FROM dislikes
WHERE dislikes.location_id = locations.id
)
GROUP BY locations.id
ORDER BY avg_rating DESC
LIMIT 3;
another code
DROP DATABASE IF EXISTS user_db;
CREATE DATABASE user_db;
CREATE TABLE locations (
id SERIAL PRIMARY KEY,
name TEXT NOT NULL,
address TEXT NOT NULL,
latitude FLOAT NOT NULL,
longitude FLOAT NOT NULL,
rating FLOAT,
num_ratings INT,
created_at TIMESTAMP DEFAULT NOW(),
updated_at TIMESTAMP DEFAULT NOW()
);
CREATE TABLE foods (

2. id SERIAL PRIMARY KEY,
name TEXT NOT NULL
);
CREATE TABLE location_foods (
id SERIAL PRIMARY KEY,
location_id INT REFERENCES locations(id),
food_id INT REFERENCES foods(id)
);