Crop modification is when the DNA of a plant is altered, commonly used to make them more desirable. For example, bananas weren’t always these long and seedless fruits but with crop modification, over time scientists were able to change the DNA of the banana we know today.
This question is quite difficult
Answer:Procedures. Ask students to guess how far away the Moon is from Earth. When the answer (or a close approximation) is given, or several guesses have been made, share the distance with students (384,400 kilometers or 238,855 miles).
Explanation:
Answer:
a.they work together to allow gas exchange
Explanation:
the trachea helps transport air to the lungs, the lungs fill with air, finally the alveoli convert the oxygen to the bloodstream