Please answer this! Kayla notices that her neighbor has more butterflies in their yard then hers. She determines that the neighbor has planted milkweed in their garden which butterflies like. Which statement below explains what Kayla must do to attract more butterflies?

Kayla needs to plant milkweed in her garden to attract butterflies.
Kayla needs to cut everything down in her backyard.
Kayla needs to plant more trees in her backyard.
Kayla doesn’t need to do anything and the butterflies will eventually come to her yard.
6.Tundras and deserts share similar characteristics of extreme temperatures. They both have low biodiversity. Which statement below explains why this occurs?
Extremely low temperatures at night.
Absence of available water.
No trees.
None of the above.

When in college, greg dreamed of rowing in the olympics and becoming a surgeon. now at age 48, he continues to enjoy rowing, although he never made it to the olympics and he works as an anesthesiologist. his wife and kids are healthy and he is basically content. according to erikson, he is most likely to experience

Which type of market produces the highest level of output at the lowest price to consumers?

Running and sleep. sufficient sleep is important for adolescents for both their neural and psychological development. despite this, daytıme sleepiness and poor physical and psychological functioning related to chronic sleep disturbances are common. there is a growing body of evidence that exercise is associated with both better sleep and improved psychological functioning sixty participants were recruited from a high school in northwesten switzerlandthey were randomly assigned to either a running group or a control group, 30 to each group the running group ran every moming for a little over 30 minutes on weekdays for a three-week period. all participants used a sleep log for subjective evaluation of sleep, and sleep was also objectively assessed at the beginning and end of the study using a sleep electroencephalographic device that measured quantities such as sleep efficiency and time spent in the four different sleep phases. running was found to have a positive impact on both objective and subjective measures of sleep functioning what are the explanatory variable(s) and the response variable(s)? (a) outline the design of the experiment (b) (c) here are some more details on the treatment and control groups. all participants arrived at school at 7 a.m., and the running group did two laps on the track and then ran cross countrv in groups of at least four people for 30 minutes the control group remained seated at the track, worked on horpework. and interacted with each other. when the runners returned, all participants prepared for school and ate a breaktast that was provided. iwhy do you think the experimenters had the control group arrive at 7 am interact withdassmates and have breaktast together? explain. do you think having the control eroup do these activities is important for the types of conclusion that can be reached? how?