Answer:
The center section of the period table is classified into<u> transition </u> elements.
Explanation:
Transition elements can be described as elements that are present in the centre of the periodic table and are usually metals. These elements have their d sub-shells partially filled. The transition metals have high oxidation states. They have high melting points. These elements generally are known to form coloured compounds and are used for various chemistry tests. The elements from group 4 to 11 generally occur under in this category. Examples of these elements include essential elements like iron and copper.
1. Temperatures are extreme; mostly high or very cold temps (only winter and summer it feels like). They have changed over years.
2. Polar ice caps (glaciers) are melting drastically.
3. Habitats/ecosystems such as the coral reef are suffering and are expected to disappear over the course of 10-20 years
Yes, water is a polar molecule because the Electrons are NOT shared EQUALLY
B.cell wall
Cellulose is an important structural component of the primary cell wall of green plants.
Answer:
maybe d
Explanation:
D is maybe the answer according to me.
