Answer:
because every year there is a new strain of flu
Explanation:
Answer:
Air particles are a mixture of solids and liquids that are microscopically tiny and suspended by air currents. It can stay in the atmosphere for a few hours to a month or two. Their constituents can be various harmful substances such as heavy metals - lead, nickel, arsenic, cadmium or polycyclic aromatic hydrocarbons
Explanation:
Air particles, nitrogen dioxide and ground-level ozone are now considered to be the three most polluting substances in human health. Exposure during peak concentration and long-term exposure to these pollutants can cause damage from respiratory distress to premature death.
Answer: it releases it
Cellular respiration is done by decomposers to provide energy for themselves, and the molecules of the object the decomposers eat goes through cellular respiration. Eventually, the molecules from the object are released as CO2 and H2O because of cellular respiration, and CO2 and H2O are used in photosynthesis.
Hope this helps you:)
Answer 1: A. Basic
Answer 2: 1. Cell
Answer 3: O. Organ
Hopefully this helps!! (:
Answer:
Explanation:
Skeletal muscles are arranged in regular parallel bundles, cardiac muscle connect at branching irregular angles called intercalated disc,smooth muscle substains longer or even near permanent contractions
Cardiac muscle is located in the wall of the heart,appear striated and are under involuntary control.
Skeletal muscles fibres occurs in muscles which are attached to the skeleton...
I believe you've achieved some things from the explanation above... thanks