Answer:
Is this USA Test prep?
I believe that it is all except the 2nd one
Explanation:
Answer:
Ionic bonds form when atoms gain or lose electrons, because electrons are negatively charged an atom that loses one or more electrons will become positively charged. Ionic bonding is the attraction between negatively and positively charged electrons. Hope this helps :)
Answer:
Mutations in the HBB (beta-globin) protein causes symptoms of sickle cell disease.
Therefore, in Doppler Effect only the frequency and wavelength are changes and the wave speed does not change
Answer:
C) both an aggregate fruit and an accessory fruit
Explanation:
When several flower ovaries or receptacle of a flower with many separate carpels joins together they form aggregate fruit. Each ovary has a single ovule that converts into a seed after fertilization.
Aggregate fruit can be formed without the involvement of accessory parts called true aggregate fruit or with the involvement of additional floral parts called accessory aggregate fruit. Strawberry is also an accessory aggregate fruit because the different ovaries in the strawberry develops into achenes over the surface of flower receptacles.
