What was the purpose of project mercury? a. to land on and explore the moon b. to orbit, rendezvous, and dock spacecraft c. to see if a man could survive in outer space and reenter the earth's atmosphere d. to test the effects of prolonged spaceflight on the human body
The goal was to orbit a spacecraft around the Earth. It has people in it. So the answer is B.
Answer from: Quest
when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.
explanation:
mark brainliest and have a great day!
Answer from: Quest
endo:
regulates body hormones, aldosterone, vasopressin
neural:
signal, regulates body using electric signals, reflex
endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d
Another question on Biology
Biology, 21.06.2019 13:00
*will mark brainliest* which of the following best describes a viral infection, such as the common cold? a. virus grow and develop in the body. b. virus are living organisms. c. viruses require host cells in the body. d. viruses can be treated with antibiotics.
Which class of organic compounds makes up the channels and pumps that move materials from one side of the cell membrane to the other? a.) carbohydrates b.) lipids c.) proteins d.) nucleic acids
Read the sentence. “yesterday we arrived late for the outdoor concert in the city gardens.” which words in the sentence are adverbs? a. late; city b. yesterday; outdoor c. yesterday; late d. outdoor; city
Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen