Scientists believe that the big bang occurred about how long ago? Question 4 options: 14.4 years ago 4.5 million years ago 14.4 million years ago 14.4 billion years ago

How did the cooling of the earth influence the presence of liquid water on its surface

During which phase of the cell cycle is the cell growing and preparing for cellular division?

The Earth's atmosphere is divided into five layers. In which layer does all life exist?

Patrick the starfish has a pink body color which is dominant his wife for Trisha has a yellow body which is recessive they have 8 children. 4of their children are pinky while 4 of them are yellow. How is this possible?

The food web below represents the organisms that make up a freshwater ecosystem. Suppose humans accidentally introduce a nonnative species of carnivorous bird to the region.

What is the primary function of the respiratory system? Question 5 options: 1) Transportation of blood 2) Oxygenate blood 3) Absorption of nutrients 4) None of the above

7 the organisms felis catus and felis silvestris do not belong to the same -

Hich equation shows a disaccharide with the monosaccharides that make it up?

Which of these vessels returns blood to the left atrium of the heart? A) pulmonary veins B) coronary sinus C) superior vena cava D) pulmonary trunk

Prokaryotes replicate and form two identical daughter cells using a process called