We can infer the presence of black holes and study them by detecting their effect on matter nearby.
Answer:
The amount of energy at each trophic level decreases as it moves through an ecosystem. As little as 10 percent of the energy at any trophic level is transferred to the next level; the rest is lost largely through metabolic processes as heat
Explanation:
Answer: D
Explanation: endocrine gland cells that secrete hormones (chemical messengers), which are carried in the bloodstream to the target cells which they act upon
Answer:
the answer is choice 2
Explanation:
plateaus are flat on the top I believe, and answer 2 has a flat top
Hope this helps :)
The right answer is thinking.
The "thinking" is not a reflex, it is a competence that the newborn will acquire a few months after his birth.Studies have shown that babies begin to think 4 months already, they have an idea about the laws of physics. He continues to reconstruct the image he makes of the world according to the latest information he receives.
At 8 months, his brain already models the probability of future action by confronting his memory with the information his senses provide. One of the keys to human intelligence.