Matter is everything that is a solid, liquid, gas, and plasma. energy moves through a ecosystem though food chains and food webs
The correct answer is 2.
The scientific knowledge is constantly growing. The main advantage of the scientific method is that nothing is absolutely true and unquestionable.
With each new hypothesis and experiment, scientists get a little bit closer to the truth about the natural world. Some parts of the scientific knowledge stand through time and new experiments only confirm them. But often, the new research finds new aspects or disproves parts of the previous finds, so the understanding of that phenomenon changes.
Photosynthesis and cellular respiration both somewhat involve each other.
Answer:
A abnormally high level of blood pressure for a long period of time can cause arteries especially in and out of heart to harden and thickens (usually these conditions gets worse with age, obesity or high levels of cholesterols). This builds up a resistance in blood flow and ultimately when the blood flow stops, this causes a heart malfunction called as stroke or a heart attack that results in major heart tissue damage. This can also result in other complications like aneurysm etc...