2. Sharks are the top predator in a marine ecosystem. Sharks help to maintain a balance in the population of smaller organisms. If the shark's
population were to decrease, the smaller organisms would increase greatly,
interrupting the food web. Which of the following relationships is MOST
similar to the relationship between the shark and the marine ecosystem?
O A frog eats flies and lizards in a swamp ecosystem
Leaf-cutter ants eat grass in a prairie ecosystem
A wolf eats small mammals in a forest ecosystem
O A lizard eats a cricket in a desert ecosystem

answer

fusion: the energy source of stars. the energy released from the collapse of the gas into a protostar causes the center of the protostar to become extremely hot. when the core is hot enough, nuclear fusion commences. fusion is the process where two hydrogen atoms combine to form a helium atom, releasing energy.

hope it

out of these options:

ability to burn paper

pure sodium reacting violently with water

the boiling point of water

helium does not tend to react with anything

i would say this is a physical property:

helium does not tend to react with anything

why? :

i said helium does not tend to react with anything because well, it reacts to ! but ability to burn paper, pure sodium reacting violently with water, & the boiling point of water are chemical or

physical properties: the properties of a substance that can be observed without changing the chemical makeup of the substance

chemical properties: properties of a substance relating to the chemical nature and reactivity of the substance

(b) which contains higher levels of vitamin b, oranges or spinach?

explanation:

you can eliminate a, c, and d because they are questions based on opinions.