The oldest meteorite<span> fragments found on </span>Earth<span> are about 4.54 billion years old; this, coupled primarily with the dating of ancient </span>lead<span> deposits, has put the estimated age of Earth at around that time.</span>[38]<span> The </span>Moon<span> has the same composition as Earth's </span>crust<span> but does not contain an </span>iron<span>-rich </span>core<span> like the Earth's.</span>
Agree
<h3>Living near nature help you to keep your mood in positive way!!!</h3>
- When i study with nature i feel very good.
- Nature is my best friend!
Answer:
To make energy available for transfer to higher trophic levels.
Explanation:
- <em>Primary consumers </em>are the organisms that feed directly on the autotrophs to obtain energy.
- These consumers thus help to transfer energy to higher trophic levels that are <em>secondary consumers.</em>
- An example is the goat feeding on a plant is a primary consumer that directly obtains its energy from the plant. However, by feeding on the plant, it makes energy available for the secondary consumer, which in this case would be a lion.
C ,D,E the endocrine system uses chemical messengers / hormones compound that is produced in one tissue, released into circulation, then has an effect on a different organ ,it doesnt act alone but cooperate with nervous or other systems and then interact with other cells. Hormones are specific target cells
To know more about hormones here
brainly.com/question/15520849
#SPJ4