Explanation

To convert kilometers to miles, we can use the conversion factor: 1 kilometer = 0.621371 miles

So,

1280 kilometers = 1280 x 0.621371 miles

= 795.5 miles

So, the correct answer is: 795.5 miles

Explanation

Philosophy is the study of fundamental nature of knowledge, reality, and existence.

It encompasses various branches such as metaphysics, ethics, logic, and epistemology.

It focusing on the analysis and interpretation of concepts, arguments, and ideas.

Explanation

Chloroquine is a medication used to prevent and treat malaria.

It is a disease caused by parasitic protozoans.

It is commonly used as an anti-malarial drug.

It has been widely used for decades.

Chloroquine was discovered in 1934.

Explanation

Prolactin is responsible for the production of milk in the human body.

It stimulates the mammary glands to produce milk, especially after childbirth.

Prolactin works in conjunction with oxytocin, which helps release the milk.

Explanation

Ornithophily is the term used for pollination by birds.

This type of pollination typically involves brightly colored flowers with a lot of nectar to attract bird species.

Explanation

A gene is a segment of DNA that carries the genetic instructions used in the growth, development, and reproduction of organisms.

It is the fundamental unit of heredity.

Explanation

Bile is produced by the liver and stored in the gallbladder.

It is important for the digestion and absorption of fats in the small intestine.

Explanation

Equinox occurs when the sun is vertically above the equator.

At this time, the sun equally illuminates the Southern and Northern hemisphere.

At this time the world experiences equal day and night.

Equinox occur twice a year.

The months are March and September.

Explanation

Bone marrow is the soft tissue found inside the cavities of bones.

It responsible for producing red blood cells (RBCs), white blood cells (WBCs), and platelets.

Explanation

The change in seasons is caused by the inclination of Earth's axis (about 23.5°) and its orbit around the Sun.

As Earth orbits the Sun, different parts of the planet receive varying amounts of sunlight.

This leading to changes in temperature and weather patterns, resulting in seasons.