Answer:
heavier! ( depends what type of metal can)
Explanation:
Rusting has to do something with corrosion and involves oxygen.So basically, when oxygen is added to the system process, this what makes the metal can become heavier.
Normally a 10× drop for each trophic level, so I'd say 2,000 kilocal.
Answer:
Explanation:
A convex lens acts a lot like a concave mirror. Both converge parallel rays to a focal point, have positive focal lengths, and form images with similar characteristics. A concave lens acts a lot like a convex mirror.
Unoxygenated blood from veins enters the right atrium then it goes down to the right ventricle then out through the pulmonary artery to the lungs where it becomes oxygenated blood which then enters the heart through the pulmonary veins and it goes to the left atrium and then is pumped down to the left ventricle and out through the aorta to the arteries where it travels to different organs and becomes deoxygenated and then the cycle repeats itself.
