All i know is that you can search the mass but that is all i know......
Answer:
males have one X and one Y chromosome.
Explanation:
Females have two copies of the X chromosome, while males have one X and one Y chromosome.
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The correct answer is option B. According to Newton’s third law of motion, the balloon is pushed forward as the air is forced out.
Newton's third law of motion states that to every action there is an equal and opposite reaction. The same law will apply on the balloon. As the air is forced out of the balloon it will exert an opposite force on the balloon which will cause the balloon to be pushed forward. If the air would not have caused an opposite force on the balloon causing it to be pushed forward it would have remained static. But, reaction of the outgoing air pressure made the balloon to move forward.
Answer:
Couplet
Explanation:
Taxonomic Key
A taxonomic is a tool used by scientists to identify and organism. It consists of a series of contradictory statements or questions that eventually lead to the classification of the organism. Choosing the appropriate option in each of the statements gives a detailed description of an organism's characteristics that help in its identification.
This pair of contradictory statements is called a couplet and each statement in a couplet is called a lead.
For a plant, the follow contradictory statements will be called a couplet:
1. Seed colour: Black
1. Seed colour: white
2. Plant height: Tall
2. Plant height: short
As you have probably guessed, the main function of the muscular system is movement, but it also helps stabilize our joints, maintain our posture and generate heat during activity. Movement of our body can be voluntary and controlled by the skeletal muscles, or it can be involuntary and controlled by smooth muscles.
