How do i give brainiest? funniest answer gets a like and ion even know how to give it tbh haha

How do astronomers measure the amount of dark matter in the universe

Physical needs include: a. the need for sleep b. the need to feel safe c. the need to feel secure d. all of the above

Which of the following statements is true about taste bud preferences? a. taste buds respond exclusively to a certain taste sensation, like saltiness. b. taste buds have the ability to respond to all of the taste sensations. c. taste buds do not differentiate between bitter and salty sensations. d. taste buds have the capability to detect three taste sensations.