Answer:
it is 4th one hope it helps
During the day the earth is heated by the sun. The earth heats the air and the air rises. As the hot air rises the cold air from the ocean takes its spot. In the night the opposite happens and the earth is cooled and the cool air rises so the warm air from the ocean takes the cold air's place. I hope this helps!
Shape of the nucleus all cells have basically the same shape nucleus therefore that is the answer
Answer:
1 and 2
Explanation:
1) The exercise scientist is looking for the effects of a chemical between an apple crop to which it is administered and another to which it is not, 4 options are presented, of which it is essential to count as a variable the amount of water each Orchard and tree species in the orchard, since they can generate alterations in the results, the other two variables of the exercise such as number of apples and size of the orchards are not significant and their variations do not affect the scientist's objective.
Answer:
this process involves carbon (iv)oxide with hydrogen atoms which combine to form a simple sugar