Answer:
Astronomers believe that the larger the star, the shorter its lifespan.
Answer:
Number of protons plus the number of neutrons.
Explanation:
Most of an atom's mass is in its nucleus. The nucleus is made up of protons and neutrons.
Mutualism- in which two different organisms interact, and each organism benefits each other (think "positive, positive"; or " +,+ ").
An example would be Oxpeckers and zebras or rhinos - In this relationship, the oxpecker (a bird) lives on the zebra or rhino, sustaining itself by eating all of the bugs and parasites on the animal.
The bird benefits by having a readily available source of food.
The zebra or rhino benefits from having the bugs removed. Also, when there is a danger to the zebra or the rhino, the oxpecker flies high and makes much noise in order to alert nearby animals to the impending danger (i.e. a predator).
Read more at http://examples.yourdictionary.com/mutualism-examples.html#3LtWEwmHBJ53KFbb.99
D.growth, duplication of cell organelles, chromosome replication, repair of chromosomal errors
Answer:
2.water assists organisms in obtaining certain dissolved substances
Explanation:
