Answer:
The amount of matter in a system stays constant, it is not created nor destroyed.
Explanation:
For example, in a situation such as a chemical reaction, the atoms of the molecules never magically appear or vanish. The atoms of the reactants are simply rearranged into a product. Hope this helps.
Answer:
True
Explanation:
that would be my best guess
Answer:
B
Explanation:
Chromosomes are structures composed of DNA that, in turn, carry the genes of a living being, responsible for defining the physical characteristics of each individual. Chromosomes are involved in the nucleus of cells that make up a living being.
Answer: creates genetically identical offspring, organism doesn’t have to waste energy to find a mate organism, requires the contribution of a single parent.
Explanation: While asexual reproduction only involves one organism, sexual reproduction requires both a male and a female.
Some plants and unicellular organisms reproduce asexually. Most mammals and fish use sexual reproduction.
Asexual Reproduction Sexual Reproduction
Two or more One or more
Answer:
4.2 Newtons
Explanation:
Force=mass x acceleration
Force = 6 kg x 0.7 m/s/s = 4.2 kg m/ s/s = 4.2 Newtons
