An animal can respond in negative ways such as: biting, scratching, urinating, whining, restlessness, snippy, or getting sick.
The Gulf acts as an inverted estuary with salinity greater than the Arabian Sea e.g. salinity values exceeding 40 ppt<span> (parts per thousand) around the island of Bahrain, and the coasts of Qatar and the UAE [4]; [3] ; [2].</span>
According to the evolution theory, the first insects appeared about 400 million years BC in the Devonian Period.
Answer:
Parenchyma cells are the abundant cells that make up ground tissues in plants.They are flat at point of contact.they have thin primary cell walls and have large vacuoles for storage of food.In leaves they are called mesophyll and are sites of photosynthesis.In other parts they are sites for respiration and protein synthesis.
Sclerenchyma cells are cells with rigid secondary cell walls.Their cell walls are hardened with lignin which is the main chemical component of wood.Mature sclerenchyma cells cannot elongate and most of them are dead.
Explanation:
Answer:
Helium and carbon dioxide
