That’s very simple uranium I believe but I haven’t done science class in like 7 years so don’t quote if I’m wrong
Answer:
a. salivary amylase
Explanation:
salivary amylase breaks down starches (complex carbohydrates) into sugars for the body to absorb more efficiently.
Answer:
Option A, Key stone
Explanation:
A keystone species plays a major role in an ecosystem as it is the species whose presence effects all other species in the ecosystem .In general a keystone species is always a dominant predator that feed on prey population. If it is removed, the prey population will explode and the population diversity will reduce. For example - bison, prairie dog etc.
Hence, option A is correct
Answer: The number of protons in one atom of an element determines the atom's identity, and the number of electrons determines its electrical charge.
Explanation:
Gates function in a similar way as cell membrane :
cell membrane seperate the external enivironment from the cell while gate even seperate the external environment from the house
cell membrane controls the exit and entry of the cell, gate controls the entry and exit of the house