Plant have both cell wall and cell membrane but animal have only cell membrane
Answer:
UMM MAY BE POLLUTION WILL INCREASE
Explanation:
THE HUMANS ARE MAKING MORE AND MORE MACHINES AND FACTORIES AND OTHER THINGS WHICH CAN POLLUTE THE ENVIRONMENT.
Answer;
The respiratory system supplies the oxygen that the cardiovascular system transports to the different cells for the production of energy.
Explanation;
-The function of the respiratory system is to add oxygen to the blood and remove carbon dioxide.
-The circulatory system carries blood throughout the body via an intricate network of arteries and veins.
-The respiratory and circulatory systems bring oxygen and nutrients to the cells. Both systems work together to maintain homeostasis.
Change in bone structures is the best thing i could think of.
Answer:
mineral -
This is any element or inorganic compound. It is a naturally occuring solid chemical compound found in pure form. It is commonly found within rocks.
metal -
an element known for is lustrous, opaque, and malleable properties. Metals are good conductor of heat and electricity.
ore -
This is a natural rock from which minerals, elements or metals can be extracted through mining.
alloy -
An alloy is a group of metals or metals that have one or more other elements. Take for example, red gold is a combination of gold and copper while white gold is a combination of silver and gold.
