Answer:
C
Explanation:
To send signals to the blood vessels to constrict or dilate , to increase or decrease blood flow respectively.
Answer:
A
Explanation:
The answer is Wingless I think.
Possible gamete's genotypes in both parents are: SY, sY, Sy, sy
Genotypic ratio: SSYY 1 : SSYy 2 : SsYY 2 : SsYy 4 : SSyy 1: Ssyy 2: ssYY 1: ssYy 2: ssyy 1
Phenotypic ratio: yellow, spherical 9 : yellow, dented 3: green, spherical 3 : green, dented 1
Take a look at the attachment :)
Answer: C) They can contain contaminants that can enter the air during storms or high winds.
Explanation: A is wrong because I got it wrong (Sorry, can't give much explanation there).
B is wrong because water contamination does not directly relate to respiratory health.
D is wrong because fertilizers can impact respiratory health (Explanation seems lack-luster, but I feel like this is common sense).
Hope this helps :)
Answer:
The Skeletal system helped him move his hand away from the hot object.
Explanation:
The Skeletal system consists of our skeleton or the bones. The other options would be correct if the question asked about the<u> nervous system</u> instead of the skeletal system.