The question that could be investigated through scientific research is B. Does a newly synthesized chemical reduce bacteria? The answer is B. Because the other questions aren’t science questions. They are bias.
Answer:
i think it's the S phase
Explanation:
During the S phase, DNA replication occurs.
Answer:
The lymphatic system is a system in the human body that consists of a network of tissues and organs that assist in ridding our bodies of toxins, as well as waste or other unwanted things that may be inside of us. The main purpose of this system is to transport a fluid called lymph, which contains infection fighting white blood cells, throughout the body.
Answer:
А. They belong to the same group of the periodic table.
Explanation:
Two elements possess similar chemical properties if they belong to the same group on the periodic table.
What determines the chemical properties of elements;
→ the number of valence electrons an element contains determines its chemical properties.
- On the periodic table, groups are vertical arrangement of elements.
- Periodic groups classifies elements into groups based on the number of valence electrons they contain.
- So, elements in the same group will have the same number of valence electrons and hence similar chemical properties.
Ascidians are sac-like marine invertebrates. Their larvae have well-developed brains and dorsal nerve cords. This suggests that ascidians should beclassified with the chordates. The correct option among all the options that are given in the question is the third option or option "C". I hope the answer helps you.