Answer:
Parotid glands are the largest salivary gland. Each gland is approximately 6 cm long and 3-4 cm wide and can weigh up to 30 grams. They are located within each of our cheeks. In our oral cavity they are responsible for the secretion of about 20% of saliva. This saliva is known as serous i.e. more liquid and fluid. It helps in the first phase of the digestion of food, facilitate mastication "chewing". These glands secrete protein-rich fluid which is a suspension of alpha-amylase enzyme.
Heating and cooling our homes, lighting office buildings, driving cars and moving freight
It's the coordinated/directed movement towards the direction of light. Light is the stimulus
Toucan and monstera plant adapted to their environment, which gave them advantages for survival and aid. the toucan beak adapted over time to access food easier than other birds, meaning it adapted to its environment. the plant however has an adaptation that allowed it to grow its leaves longer overtime to drop water on the floor. the similarity between the two is that they both adapted in some sort of aid for themselves or environment. the contrast is that the toucan beak helps only the toucan, and the leaves only help the rainforest floor :)
Answer:Several theories have been proposed for the formation of desert pavements. A common theory suggests they form through the gradual removal of sand, dust and other fine-grained material by the wind and intermittent rain, leaving the larger fragments behind.
Explanation: scientists have had sever theories as stated in my answer above
